Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQARN+BfMj2puGGK34/pCIR9BSKzfRnnVJx0Elyd6xjR8wKSd6kp+vBTlB3X… (1,748 chars)"
  }
}