Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEE6bR775wh+3A5hjFKPIHnqIBmh2M+T+I5CuSjbmQt9XO1A8PEinVkIhBK… (844 chars)"
  }
}