{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0xe1870a3bf3684657b85dffaaf5b15d5eb083ab8f824b44e07feb5b3b124ab099",
    "signature": "0x6b0d59fe220f3fdf4e125f7431df8fdfaebfa3b9f93e6bcdbd2b3f4990d880701d80adad8e511e2b1d9751d7e32e334f55478613e5098134bdcd6db021cfdee11c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}