{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x5cf2ad155d74cc175a7d6e6d3c0a59787141db102487d4f9a45444a2f1d48417",
    "signature": "0x44ce266792b3b09c46a6ed61e510b1098dcb46c370466e51171f4f8b65a53777309ff8bea4b7f1be8bef914389dd15fdc022859b6c3ee54a2f4d2807648e0bc61c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}