{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x8942fa70de8ab5df4b72a91323649b8f353f9a03964640be55f14d7054d59c80",
    "signature": "0x6586eef168dfbcd6d224dd39318636313996ef461c8d784b920cd005fc561fa54d4b7480ac0db3656b46e9eb065de71382048b1b433953327de17e54bee79d7d1c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}