{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "339624073",
    "entityType": "User",
    "nonce": "0xf476f99e6a8b6a5cfd3a1185818c3ac1295766b7c8caa7ed39a5b49bf096401d",
    "signature": "0x9d9db52aad5afe0d435d4d5351ff25d8563d4211c43ad590f438faa263cf8f4047557e7addfa7f640cada3200bf6f57cc8eb0a6c80b138b90971e38bb6ea8ee31b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}