{
  "manageEntity": {
    "action": "Update",
    "entityId": "1142769960",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_contents\":[{\"metadata_timestamp\":0,\"timestamp\":1789001267,\"track_id\":964496589},{\"metadata_timestamp\":0,\"timestamp\":1789001368,\"track_id\":817755446},{\"timestamp\":1789001847,\"track_id\":802749676}]}}",
    "nonce": "1789001849239941973",
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}