Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD/Wk00CJTy3ZuZll1fsP9t4H2RtYoSFCoFAxLHfW3++zR8BCkbamzYp8uc… (1,748 chars)"
  }
}