{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "873182089",
    "entityType": "User",
    "nonce": "0xdf668bd0206cfdd084f7ad1476c8fe1381f15f71315af14f8d69e51843348f86",
    "signature": "0x5982aa8d226fc7d1c406d7143ef823cb27d8018dc6bc2338188682708d01d3bf62a91389a83f54080c6e36b8220b6119c7015642a262c122ed617f097a4017ee1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}