Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH7JxmMWVGV9/BL4LOt8vDCwXHgJk6boT1U4AFU0eCnEzZXmygapK/1O1lT… (844 chars)"
  }
}