Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwELhKBxDcyzRNtWnDVGl1V+I7fHOCbV50Q2/OvVjeqFYX/9sfX3x2IzCeZW… (844 chars)"
  }
}