{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943503828",
    "entityType": "User",
    "nonce": "0x2f8758f3f67670ad0f328e68c7d4c9d1d0bfed8e9f3231524ff8e59f01ad70ae",
    "signature": "0x34271d8ffb3baa17be108532c5f10ddef962e73d4c6f079e943c87a16bd5d2f112873d62871566294c5ab4c0342272039ce42afd215a89b70b1b3f636f27711a1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}