Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGnO9UYgBhHpxfiXgR4RvPSeu8c+hHOcZh2Hindq0OqAw6AJ8wLVmipCiPO… (844 chars)"
  }
}