{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124060",
    "entityType": "User",
    "nonce": "0x9772000c3109cd2c14588f27ff6e32cc086049cae60f04ad800bc83479704a2a",
    "signature": "0x14f0c70df93b306460d804b73c66853f012bab41054a60fad7fdecf4ddfe750b3339250cd0a6667e74a5e6ca7ebfa7fe373a69d43b1eeff5dd95f4cb495765011b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}