Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBhDSBN9bm3HptAp+vIjsxaZnvEYPImk3RJRCex4gWV4wvmxdhQLN5H2UD8… (1,748 chars)"
  }
}