Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD4raOVHjwHRldBGnUQP+JB4TNPUMTDa3ST0jMoU1CvEze0xHAZ3mXYoX8V… (844 chars)"
  }
}