{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189763",
    "entityType": "User",
    "nonce": "0x357838bd85f5ecbf40289c3fdcc4dacb993c80639f6a70db8979f937091bd7d1",
    "signature": "0x6f6bdbb431d8ba95c090ffca7a4bbcd7132b21d9181847df9f56095abdc129ce4607dc7024ec496ba81dcadf15dd3c47da3785b629b0dade6b3dd577c0d7bd331c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}