{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "453061",
    "entityType": "User",
    "nonce": "0x6fe9389e48488cf98c63f3ead7db8c828b619b0c8ef442c46922603abec5ea18",
    "signature": "0x86c440684d838404db0188ea2b8b29ac5f4ef0f13b61bad19cf0ad41db1b0333202187d17a5f7c80fed5202cdec1308258e3dcb70c7028174887feef682fb41b1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}