{
  "manageEntity": {
    "action": "Update",
    "entityId": "804868697",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraegq24jnxvd6cy44genzilgueqavyklk5nxz744r3rqz2obdexqlq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2077894741},{\"type\":\"playlist\",\"playlist_id\":334629625}]}}}",
    "nonce": "0x78ab51cdb4a8b9d34d5dbd5075d46320e2afc348bd0aceabe9d03b14b5a9b2d1",
    "signature": "0x823abce1026c5c2772c5d3832b6249d0381310b2aa6c7d5451b7eb4b56ac6cd45d8328ee32132a1ece3119027081e4446fe2e391d2856355cc16704ac05852171b",
    "signer": "0xB333b4372f42011B3e426635c2e5b76E2a4E52A8",
    "userId": "804868697"
  }
}