{
  "manageEntity": {
    "action": "Update",
    "entityId": "229327490",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4acf176bcc3537c2f481b002515616f0752d8f4ff705c243736885de2cc67a6a",
    "signature": "0x7e22b9bf090a4bf1198546c18276dc8f6eae3abe46697b2510b90c52e5144ae669a6bc1235bac717e47f197780e19f8553fb2f74f5b15323a82c10bd7f0aa90d1c",
    "signer": "0xE5c3922424A1B896ad08ED5889f36Ca5DC40660a",
    "userId": "229327490"
  }
}