Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDEgEDJbW6KqRLD4I0vnhUq6Jv23BE+ow8IyR8FXJvu5w4i23+3DeUytr9z… (1,748 chars)"
  }
}