Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAM5vfHGp8yR15YyYEccDcO4EimRiZg7E5+5cHUcpykszPxs1iVv3Dq+g9g… (844 chars)"
  }
}