Transaction not yet indexed

AMHttNV8YKizzEY6oLuy3QstueDdGNKNQVqDiAHkPjSNHXuakQc1qdVAPspAxUXrqoAD3XyRfyRDvbv1GAz2Dhx

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