{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "777418",
    "entityType": "User",
    "nonce": "0x8053dd9b6635a613df634cd544e58282ba39432845327c4fb5b798a792a1a629",
    "signature": "0x0bd7df0e82846f2ed0095ed4f240a31e14ae8a389eb21949b31e06cfd02dda6a135cfc73ad03adeb0e258bbaee541135ab7bee7863d89d4bd309e35b025ab2731c",
    "signer": "0x0d0E0D19797534AEF52736C60B52793E9f88e24F",
    "userId": "603294620"
  }
}