{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0x6902b58676c924d29a7df22621f610faede691dc8e0d74ab81967547830e1a2e",
    "signature": "0xda9d03241828b4c4046e0ab34718e687b113e39e47047da406108ef8d66a692c34735147d153e18d1966470007ac828f4b7fbcc80adb33a69fb5b6161abfda841c",
    "signer": "0xc97A6025Ad8c7Ba1a35Ef7E3A3b88ABc8b2013BF",
    "userId": "666092734"
  }
}