{
  "manageEntity": {
    "action": "Update",
    "entityId": "391144622",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Night Echoes\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsecrfz5yzyb5slmmpwada4y4noeq622wkuaz5mox7ggek4v7gbqlvu\",\"release_date\":\"2026-05-17T16:23:54.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1779035027,\"metadata_timestamp\":1779035027,\"track_id\":587662823},{\"timestamp\":1779035027,\"metadata_timestamp\":1779035027,\"track_id\":962372345},{\"timestamp\":0,\"metadata_timestamp\":1779080304,\"track_id\":1969925579}]}}",
    "nonce": "0x3b54f381e2a0422fe249b86cfbc66b036f1481355609d0576d4dbb11aa27665c",
    "signature": "0x7d12fa57fc4772f0a87258ad6eb4baacaa360264543df7a83a66f8374dce46c70648459e6c4c414709b2a45ee9031d90ecaba879d6559de4b16476911de517091c",
    "signer": "0xdfcc4d06D5B8A0AF1AF77B1Ec434e5F50B625a75",
    "userId": "620921422"
  }
}