Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBj9jL8mPVcCI+6RFGPufCbYuyxx+EEfzW8RgMjAD31SWhUP1VIFV5P2VcC… (1,748 chars)"
  }
}