{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1742085",
    "entityType": "User",
    "nonce": "0xb11f3ac81251f1df8dd0a90447fe29327a6966140478bc1ecf4b72a8ad9d6c9a",
    "signature": "0x977fddf3761a508d2fcff85a81e266ba90d11afc16428d51714888bee8ef82780234a8d56f51d0df645ceca4ba49ef88ce2177f74493d0d012c222b0aeebc6db1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}