Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAZsk9WquW3kna9K4b9GSr9Jr7Lk1IDdh5rjdaPHggoGVOClYTiE6QPCKW/… (1,748 chars)"
  }
}