{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "244805868",
    "entityType": "User",
    "nonce": "0x4469bf905d027ad6782fdd0f4cd3af7755c499bc43160164531d46338f2dbf63",
    "signature": "0xaf8698ee424d8ff218cf5fdc00f655f38a60f3c4a26ed08805773f2e15b684256722dfda3edac84ac2a9ce28c785b697dd1614a137b871af59a5c25ee500d4e81b",
    "signer": "0x044142FBd4AF7201d53A9BD1d822768a436d6314",
    "userId": "683311144"
  }
}