{
  "manageEntity": {
    "action": "Update",
    "entityId": "284640098",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24d12cb07ec621f36e1f70839dd66680145833cc9fecebb96130fe00428c9c5c",
    "signature": "0xe48493bde805010dd416fe1449a6330bd14f5b81a277f067150129d5be4d7cd76eeaa1a5eb2385aebbffe78323e01c2b3a63a1a35f1d7cfc2438658d579bd2fb1c",
    "signer": "0xD133c6f927C8A609854fB8945440Eabf01C2996B",
    "userId": "284640098"
  }
}