Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEg5OxgH9a4HYf0UEVtRR1Flc7M9/3uQMeUHIZfjwSC4iayw0oYxD9Vuc7Z… (844 chars)"
  }
}