{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x906ba93adc27043b42aa76850a722342cca5f9db0f17a244e1524b13c4eaa7a1",
    "signature": "0x0b40fd57a3426d5017fbb7f951e07cdada8fc9ad148591af3fe3278ca175ba12536b0e7204aa5bcca7c979d3b44e82f4562716cb5b2531416a7f44703fce1b521c",
    "signer": "0x98fC2b30E6e70e62dB2b5fAE7b0292DE3D4323Bf",
    "userId": "480962013"
  }
}