Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBi7f8hkNq7/bJWBqfZBFmA+oxsYCAMUOq/4thvPC2L1x1t72vlEWHml1G3… (1,748 chars)"
  }
}