Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE/w6xcjwq25P5/yZOsq/s0+nY8RLaerX0NqBSEo6t8g2RKdblOV5Aawczr… (844 chars)"
  }
}