Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB/L2Phux/9g/mDgRGO42xZnjoTumqgRLNkIFOKyYSNd1Fp+3TyZS5iOZWj… (844 chars)"
  }
}