Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwADrNkCbNuMRKn2lhOOd8R7tuqB1WP6MqCWopkb413rDQBVBwYzd5l+ZLWZ… (844 chars)"
  }
}