{
  "manageEntity": {
    "action": "Update",
    "entityId": "6272954",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc71cf57eae70ef1c4819b95d27648a5732561087d3d043c1f22217a8c10b0a21",
    "signature": "0x493ea65470aa8a76aab3176f87831d359fd73e50731045e82db0562c97883365276dc8c19556b63b507dc75644d0646cba120b442e561f8fe130526522d142671b",
    "signer": "0x8cEe7cae7F763BBa20970ab957A031A01df10A17",
    "userId": "6272954"
  }
}