Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCR8cJzdDc3rBs4kR5aA+X5QPU+vLrDgRo6TZa9VccvZRLB7f8C0pcbYuZL… (1,748 chars)"
  }
}