{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1863056",
    "entityType": "User",
    "nonce": "0x019bb19318c1b0ad2d0ddb8014d2c24477b997163444fb8baf959d33792b5eca",
    "signature": "0x02dacb4160f12c509497c30cd56965a6a394c634603db56d3126a842761fe7494c1880adaf581f6e82c61b6d6147bebe51dbe85d0b624d6567c759bb7676be241b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}