{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x18b60ff810828dd0a54140713ac402718ca2c4cab990f486c41884451e8d35cf",
    "signature": "0x3b810664bbad9dcebd06771f457537a5467ecc7a769c99851ceacb4cefe4c8501c4890945ef0ced5eda6dda8d78920174bd5c626c79a759c7b59a899bbb90fad1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}