{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67863854",
    "entityType": "User",
    "nonce": "0x0d03d77f2fb52047b5b005ea9d27d058dcb94dd6d48f3a4e689345df590cb6d7",
    "signature": "0x604a3a1e8a3471bcc8ca3d6807390368ec7c38d3f5a5bec65b4371aa9fbf6f7d7c00d6909fbc0134be45439e2f8cfc2ead8998efb9e3f000ab4d9f12e40bdd781b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}