Peertube 7.0.1 activitypub-http-unicast failed with 403 foribidden / 502 bad gateway

Hello,

Context: I had a peertube installed by yunohost and I am moving it to a pure docker installation on a different domain

I am seeing these errors very frequently:

Job: 68
Type: activitypub-http-unicast
Processed on 3/25/25, 12:53:30.133 PM
Finished on 3/25/25, 12:53:30.411 PM

{
  "uri": "https://mm.sugioarto.com/inbox",
  "signatureActorId": 1,
  "body": {
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "https://feditubo.yt/video-channels/canal_personal/followers",
      "https://feditubo.yt/accounts/peertube/followers",
      "https://feditubo.yt/accounts/docpariolo/followers"
    ],
    "cc": [],
    "type": "Announce",
    "id": "https://feditubo.yt/videos/watch/e16f3759-bfff-4e4f-8d69-46749b94593e/announces/1",
    "actor": "https://feditubo.yt/accounts/peertube",
    "object": "https://feditubo.yt/videos/watch/e16f3759-bfff-4e4f-8d69-46749b94593e"
  },
  "contextType": "Announce"
}

HTTPError: Response code 502 (Bad Gateway)
    at Request.<anonymous> (file:///app/node_modules/got/dist/source/as-promise/index.js:86:42)
    at Object.onceWrapper (node:events:632:26)
    at Request.emit (node:events:529:35)
    at Request._onResponseBase (file:///app/node_modules/got/dist/source/core/index.js:726:22)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async Request._onResponse (file:///app/node_modules/got/dist/source/core/index.js:768:13)
Job: 64
Type: activitypub-http-unicast
Processed on 3/25/25, 12:44:30.667 PM
Finished on 3/25/25, 12:44:33.212 PM

{
  "uri": "https://peertube.pogmom.me/inbox",
  "signatureActorId": 6,
  "body": {
    "to": [
      "https://www.w3.org/ns/activitystreams#Public"
    ],
    "cc": [
      "https://feditubo.yt/accounts/docpariolo/followers"
    ],
    "type": "Update",
    "id": "https://feditubo.yt/video-playlists/415e41f1-db8d-4b3b-a14b-4875a874c3ef/updates/2025-03-25T12:44:30.647Z",
    "actor": "https://feditubo.yt/accounts/docpariolo",
    "object": {
      "to": [
        "https://www.w3.org/ns/activitystreams#Public"
      ],
      "cc": [
        "https://feditubo.yt/accounts/docpariolo/followers"
      ],
      "id": "https://feditubo.yt/video-playlists/415e41f1-db8d-4b3b-a14b-4875a874c3ef",
      "type": "Playlist",
      "totalItems": 2,
      "first": "https://feditubo.yt/video-playlists/415e41f1-db8d-4b3b-a14b-4875a874c3ef?page=1",
      "name": "Guitarra / Musica",
      "content": null,
      "mediaType": "text/markdown",
      "uuid": "415e41f1-db8d-4b3b-a14b-4875a874c3ef",
      "published": "2025-03-25T11:45:48.266Z",
      "updated": "2025-03-25T12:44:30.647Z",
      "attributedTo": [
        "https://feditubo.yt/video-channels/canal_personal"
      ],
      "icon": {
        "type": "Image",
        "url": "https://feditubo.yt/lazy-static/thumbnails/playlist-7a9e0ec7-0e92-4921-84e0-70af09fb1b38.jpg",
        "mediaType": "image/jpeg",
        "width": 280,
        "height": 157
      }
    }
  },
  "contextType": "Playlist"
}

HTTPError: Response code 403 (Forbidden)
    at Request.<anonymous> (file:///app/node_modules/got/dist/source/as-promise/index.js:86:42)
    at Object.onceWrapper (node:events:632:26)
    at Request.emit (node:events:529:35)
    at Request._onResponseBase (file:///app/node_modules/got/dist/source/core/index.js:726:22)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async Request._onResponse (file:///app/node_modules/got/dist/source/core/index.js:768:13)

I understand these are federation kind of jobs?
Is there a problem on the other instance end, or is there something I must fix on my end?

Thank you very much