{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1702801",
    "entityType": "User",
    "nonce": "0xf83af2c94fde173439b284b7df12dd2e26b57831e73c1b20d972e496147f5337",
    "signature": "0xa85660768bf1f7ef43eca9ffd107850b27c214fac3abfcab9e4907c67dcdfdc475481162751c8fe20fe3bb440dbcd3222497e2eefb576f40e2e10e59cd2665c71c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}