{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "479136",
    "entityType": "User",
    "nonce": "0x14797435adf3308a89258044d80f185c2cee2b796a44e94796d117778c034b51",
    "signature": "0x9a9285a3d87368d9c17f1b84ebc3ef8250bafd3fa6892e30e73e870c6bf3ed5465a4afcf6aa06fc13b2695ac36b49a7e441cc4a359a6eb549e6c42c5ab28dc731b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}