Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDGKZ+kbcNfZp55guxrRMsnwVIqwM1e4jss6/xCS1Jj+jpAMi5LS+o1ZXNB… (844 chars)"
  }
}