Transaction not yet indexed

MC6a6VPbj2esdUHJ8Pq3kZNsJjM4EM4imvN2yHzx7hN37kau25KEwB6Pep96d4bWanjYg4FTh9D2b84My9vwyZf

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