Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAB1rjdWeJELK2c7CqED8w9CyCu5jJHp8qb93K1uYGrqUetfSjZ7aGYT/ZX… (1,748 chars)"
  }
}