Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDIA38h1Xnazl0JIZZ//Uu9qdZn78/GVQ8/U2wDdswGLVSIYiu0J6YoW927… (1,748 chars)"
  }
}