Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHUU3NxQM/NGTk7A46Lc8P8jo7cYMHXsShy4Q6zPfI9UnvGfyL5GpTYhAIh… (844 chars)"
  }
}