Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGlJ4aY1v5DJ5J4oUw8X8HcMa34CfZZjqYaqXY6A5gIyS3ScYn5LbxXLajc… (844 chars)"
  }
}