{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4476776bf0f1c3337682708fab14b34c18380ba49a12e3c1ffd2221f834fa204",
    "signature": "0x9df6f8a01b58cefe93f7d0e36eefa91eae30abf5a9cf95cfc59357127a1800d0420d8a84b5dcd7dde258406e39596b95135ad70d152748f0610f5b63b8c1ef181b",
    "signer": "0x5FCc1F0438515241FDb18a12701ab1d5374C0892",
    "userId": "472377942"
  }
}