Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGM5yh/vQxl6Km7Y+sH7cMgW/+ZX+SdnxmIqQ4IJPnblXIU10roIKd9Vnxo… (844 chars)"
  }
}