{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824478223",
    "entityType": "User",
    "nonce": "0x5d2214d91181454bfad8b3037ab5e982ea1ba27427ee6d11a7906c181d7fe1bc",
    "signature": "0x034b6555e5810e34703a9b98a9e335b013034011d38a7a7161e17c01da03ea4b59a36fe059dc2a3f9e03fc1b93f8ccf0254e6f5173858ff36f05c069cf9550a01b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}