{
  "manageEntity": {
    "action": "Update",
    "entityId": "1474453",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraaidd4wwupax6acxzwul35wyfdaac5tei6ydxqz4vwin5bkhnazmq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":2128641561},{\"type\":\"playlist\",\"playlist_id\":630530363},{\"type\":\"playlist\",\"playlist_id\":2013618868}]}}}",
    "nonce": "0xa5c0e19140e20809b13e8546d467b4b0741234b94f1ff15e0665a99fbe8ad81e",
    "signature": "0x3db9e18e4e93dd641c5af05ed12e13033f0565fa5381be3cf167dbb086afe52a6f0d859d74b2692833593bcadbe55964db8a604e9d02942ccd468517385eea331c",
    "signer": "0xeDae8fbdB2a56d77Fc35eaC72D7c338eba53388b",
    "userId": "1474453"
  }
}