{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294872",
    "entityType": "User",
    "nonce": "0x5bbe5dcb5fc7b11fe5b50473817bbde05fb3b9f36c3a244f84db2f563b3a962e",
    "signature": "0xb29cf3eff18095b1a342b4563eff934bea2a71ee706bb8860b2af2265dfde72255f3b99fe8a216b9f9227fe1c80634ff45071629d594dd80e7ebac4986bfd8f61c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}