Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFJXnP+hj1ekRVA7M1E8aZSZtftbhOH+/CH6WRg7LpOSm7D51eTXDLTZA2f… (844 chars)"
  }
}