{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54762",
    "entityType": "User",
    "nonce": "0xd14095d051c58f737b2339f13d678823c886ff0a2165032daf0f3f45dce66492",
    "signature": "0x76a76c57cd980d4746bcd37f0465f59a970a3feaeb7b048b10443d82fc3b9a71529e9ad2283e3ed9f7081b7fc5cbb43118cc61d46696cbbfc5cef0b333bd0b5d1c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}