Transaction not yet indexed

mPS99aRtMRRv5KUqWewjn6aRHaWncapCaqTWn5Ej7ACWHewQy4oZ12evmmYmJBL4PLzFTykib44N23N1oTzKGu7

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