Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDSA2768jT1dj70HZCN5P4U5X8abRmU4hZWhAe1xeIQlDRnp5U7ldr8R2SR… (1,748 chars)"
  }
}