Transaction not yet indexed

AmMYK6VjNW1iZwKrozuT2KPRhYE9qSwKMpj9VGS3GCxjZAeTxxehRSTvdYJ5W6UfDBScFVCC8myb97oSDUtrL5v

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