{
  "manageEntity": {
    "action": "Update",
    "entityId": "4676532",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x92764bab7890436e49a494627d5e266ccba3a7cfa29d10c5d38e98effe4d74b3",
    "signature": "0xf4286c0ea9b29ba2eccb6cac537cb1f38cf063bba3573c656f8f8b1bc6fdc80f787aa7531d9c54cc697e413f4d6da9f61ddbdefc6c231ca61e3b9ed6e0b1b4f31b",
    "signer": "0x5201AbCcf8367bf3036F8973F2a1ECA4125E674b",
    "userId": "4676532"
  }
}