{
  "manageEntity": {
    "action": "Update",
    "entityId": "1779093",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieravzqjhnwyblocu2imy4mk6dkzo6eeu4fup7xlvrt4k4ayc2xjoe4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":138236},{\"type\":\"playlist\",\"playlist_id\":743445298},{\"type\":\"playlist\",\"playlist_id\":1492137179}]}}}",
    "nonce": "0x74277bfeffba375524f39178ca3cce9a29477137692a36158d588df81fbad9f3",
    "signature": "0xb71acb1bf403a4746ba5c7a0586719d594678ce4ec30034014b361ba31700a995f7e7dd3a57c33e9a77068e7fd85247d58feadb86bf8ffced02752bd3591a3e21c",
    "signer": "0x8b304c26B4E67938B65622946Ee1E6B88E5CE1c7",
    "userId": "1779093"
  }
}