{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372595",
    "entityType": "User",
    "nonce": "0xc70e073d7659808b945619a4ce9e5c74d9d67041bcdea96fa2fe12b6d39ee1b9",
    "signature": "0x54f3f742d73cb78dfdc8cda7c15e7d30f3625d43eac20a9deb75622712cf1e5f591a4d89d4c5a16c600cf2513c6c675bf6baba818a4b6548e83b61d9e0f4e4721c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}