{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0xfc90b00d5c5a47a1fd4917eb33f99394b08e1cf4149554f9f87ff5fd76545ffe",
    "signature": "0xc533afa857a6f53b687a6b9ee71a8659e82c823cc3be2eff47d2a478dfb63d7a142eccead2fb7fe1c74fa91a43a386613a5e8937ea2417322ba4a3ff2523d89e1c",
    "signer": "0xE9B9EEdDb579478834256Bd35E42d09cfb754b1d",
    "userId": "281227"
  }
}