{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "471593",
    "entityType": "User",
    "nonce": "0xe891a9c15b012abe8024aa469131672a9b166b63f95f7e700d73f207922c9cb9",
    "signature": "0x1f3e99d18abcfad57b174297b067270276fedb0c154cbaba0becb7534289da4d15690fc4883a56e3433a277b7875658114c2dcf4cd622657af7eca1ac71e4fec1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}