Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGQFIqLJJ1ZRJyGspv24wylDSAkzDOQk92wqvXZnfzibmO7/rWzB/ViAx6j… (844 chars)"
  }
}