Transaction not yet indexed

5C99rAdMTCrGC7DHLcv777CKmGuVVvQQjY3qKnLoZvwFKa1uZM77Ud1C7AE7i8ZNfXE2BPZ1aBcXLLLLjcDf98Ph

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