Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDMCpzS6/1MvggADd1AQz1kgF2TGwH57B2PEYJGMhH+CjGDFD5SzphOdpwA… (844 chars)"
  }
}