{
  "manageEntity": {
    "action": "Update",
    "entityId": "986848235",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8dcf6f53d615a3a9b85905d4bea0e36eaacae807adf70bfa24cab8a588ef6afc",
    "signature": "0x4b299be3fb60235b4934c12dea804ddee77f80c7c328ebbc6c38075a570bf26b78e681d2d21ed6e95482481b98bcb119ac5bcb4e505777ea4433e28cb570da661b",
    "signer": "0x02135C77264E082Cb432068814F9338521e5aea0",
    "userId": "986848235"
  }
}