Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDYze3/cQfxIQfjhjdwCJhGCEw9ANIQ4jgK4NZMaXvhZlNxi3zNbvk2Vkx9… (844 chars)"
  }
}