Transaction not yet indexed

AMBUhfxHKLDHDcz7WpgJsnTEBoC5LWX9ERkZmcRXHNZa2ZaZU3jmmYbjb9csr3KRS1s7LyRFLAFvBRe5Y5MyPMg

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