Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHoNwt24yXSnZxfYd6UI9jGPABK8P6L+aldKC6Q7DsD2U5JDbZVeEuuE3H5… (1,748 chars)"
  }
}