Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFv+KtARahvAreRYl/3Cx51zFxTFWVzIEVw9GdCjc9Csg97v7Jz0gT6dT9M… (844 chars)"
  }
}