Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBVFmGWdxfjKHDRGcNOznCpyvX3GZ7VjKpSQIOsGdDsRiI8AlA1Ry7Si2v8… (1,748 chars)"
  }
}