{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0xe1c3713382c1fa1e41c19ae739d05407e366316f5a2909768261eb099e7921b4",
    "signature": "0xbfe9929442340cb18ba4c2d9dfe7e735c6f12af7ed4e46f22363ff76f40785a141c6d3bd603d812df8fa6fbfb22c70c7a52babde55a4b6d704e9aba55df8f88c1b",
    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
  }
}