{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "774209",
    "entityType": "User",
    "nonce": "0xd084febeb2537cb4b214ca60ca1bb47e71060ebf83be6c25a1bc92c770463d5a",
    "signature": "0x7747d5edf570a54cafa8a156bfdb3067861dd4d80c8553d465c3682e5853121459dca7efc5c676d94c4a23f866aa238f11d178d83b91076bb4946b4531268e2d1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}