Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCG9IxxzMOUvjDhJloXUsty9xyNWTg7zBtYU/KjX7zvOEICLNfFdp1Ejg0Z… (1,748 chars)"
  }
}