Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEID5MeWRFRVTnTBJL1LAm7KqmMhYI0G6MEF0qKFXeJ1z2nOKOSDXYNUi4J… (1,748 chars)"
  }
}