Transaction not yet indexed

21y6kZd7Y7NCRX9HpU9AWpMfRBaEKJVkYwgtZYAi15WjBAperp8B3FAe6SoyAsJSuQGkZv5Q6mAmNy1UbmsgBJiQ

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.