Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFxuY+rKZdtz5s6IHR8XmjC2EmJ/s1haA7RYSNd7K3aqzIlkI5zFSJtBCow… (844 chars)"
  }
}