{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "994013869",
    "entityType": "User",
    "nonce": "0x36476219aecc6dbeacb781fc047d7ba035b4202533e7cc1dfbc2bdf33f944504",
    "signature": "0x99eea92479dce7534f9f3b18170ae02fb444c49c1281aa4a39b7237837b8fb056a24ef057f622f8a028e83ca93153b14e984c83b23414dcd5dee1e162bab319f1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}