{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456716469",
    "entityType": "User",
    "nonce": "0xb02435d9e4933ba5ce7e6beb14fc9b0cf030e6fc91a7988705d3de6b299c96ae",
    "signature": "0x0e205cf0adc4cf10d4527924dca202bca6f6207d86281fbc2c0bc24e40cbf0aa3da2229fe77eeda4f012bb91f8591f945fc8f05090b0d0aee7c978902830bd6a1c",
    "signer": "0x7C58EC2581dEAbE56a54AD15Aa8c648De695636d",
    "userId": "114524"
  }
}