Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFM8R2fFPqFIB3+67YfnJfhDQMnK+8gTeoMtt5ziDwuGn6v/8KYplF/dVXl… (844 chars)"
  }
}