Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFxr+Obb/TQw9eCcu5TlF00PsHUczt/Ldp3lcPgLtpL4Gy0MADJvzxHDPNm… (844 chars)"
  }
}