Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF+6ZLLwgZHvvsGj6tQS6ruFTdAGvc/ORiAHZKNKh7AkQYjh2KWo/O8hXEa… (844 chars)"
  }
}