{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923028519",
    "entityType": "User",
    "nonce": "0xb5c97de53899c9d29622ebcce72b7e41b7ec1ff667c5317d879c1f3ad4f82ced",
    "signature": "0x5703a7faa804556b750f98d2486431e04a80d8cb50fa2a7a17262dea49ea7c340562240ccb8b5da37ddbca9ff9d84c72ca00e2d6805a63b648ddbcd317e6b0241b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}