Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDFV/GKiNgqn5iHgPXACzliO2X/dSI/DOHW0J4r7mOK1AXxKOR3mON5jRMs… (844 chars)"
  }
}