Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB5ONpmSa2b9WnZ6JXT7gz1o6WcgVrG+ffMK6a8kHF+LDLYryq85LbJWXJj… (1,748 chars)"
  }
}