{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x39560c724292da213a99f83f4ea44bef0c18dcf849335b55888a1bcc917a3cb6",
    "signature": "0x9626c81d3a3ba3b5feeaea7e9a01a50e1434aec2b2d826e44316da2ff1c08e7d4cf81c0d2ffcdaf32d1b42316a5adb3d7c258cdbc42d74e5212a9db9c2e2eafc1b",
    "signer": "0x63d394E88B78FF653F4FCeB0AC74Cf5b064dfC34",
    "userId": "633246973"
  }
}