Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBjX/H3tbJ8D/80iEpQp+Xq0GP1D2sXYMXTDgVCDv27mAKJg6G7e0S+13Y4… (844 chars)"
  }
}