{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200346",
    "entityType": "User",
    "nonce": "0x790bb2b06d68416086b88463fcbea34fb8a2697e84461561686805b8425b1705",
    "signature": "0xb5ba7a87397dcee1f6f3773224887c9bc84290a43873c360f750e814325c835f1d9d3b8f821725857db7b5afd85ee1f12e94921feae248c506c7a5a5c820a9251c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}