Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGpuGLuTZIWDutHzi/p+V/C4Rk1PvBDxR8Ywv65CThYt3mQ9s86mftnAuh7… (844 chars)"
  }
}