{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0x2a6b6608999fe7416445dd443f055369cd0e828f1e9f9ddcbe051f23366c0ca6",
    "signature": "0x378714341271da982a7ae020a57cf42211b4db9f6fcbf13fed04c1e4972e48ba7ddbf7a4bfad14b85b7ba7e92720eb34b866dbe1c7ec1332aa3837075684541b1c",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}