{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "331645",
    "entityType": "User",
    "nonce": "0x282b57d5a8f5180bf41be2c8e15ccffbab587f6183aa55e0a72a21f3f283a4ef",
    "signature": "0x2b7c92051dcc531beb2591a4e53374a3b807b7830d655c40389498766176439e6a4f50dafab9206c17a390783d84f93298c2b5722d633e67674d18891ae328ca1b",
    "signer": "0x3CEf4376635443D2e8d9419cFD1c5a15CCe2B7c9",
    "userId": "816639169"
  }
}