{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "711658625",
    "entityType": "User",
    "nonce": "0xc0faa8a2bc7d48d97a8d252dfc0f83dedd15993ff10a62b0106e4ae79b5b522d",
    "signature": "0x78da9f90bba1a01e1c71d7797e2fa364ca8ccf43141ab1279c18eb37c9fab5ce597ff242d4a01bbd624974b3518a19ec2b978ef533536e6d5d8cf6a4d924cfa81c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}