Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFkAzcBhNVQZgUvWxGbO64Z8zE+Lh4VQbfZI/2f8G4EniSd1uZv3DETpafu… (844 chars)"
  }
}