Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGQsWDQd5UEJDFMXT1zbh4t9+2oVyHGE5TYpBCmHuRvwjOkx3Pu+m4kR1vD… (1,748 chars)"
  }
}