{
  "manageEntity": {
    "action": "Update",
    "entityId": "635508657",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa6db1de07832c83d9b503eecc702f677f34624dfafdb716b94339dba259041b6",
    "signature": "0xa70f82bb14569624470ba301b7b8a1be8b7fc2987e39184ea56beb31066c3b267954ef41cb3155e0a573daeab1f8178212b31eea7c8ce29d1e9a04541d1af8fa1c",
    "signer": "0x5642523A896f5Abe636541e24da44F54ab8E9790",
    "userId": "635508657"
  }
}