Transaction not yet indexed

HwMKUfEFAcDRpPBDdfeQ5RFRUndtTtiD6qPq1mmhn5qPhU1YFWAmskCqv9k8ub4kN638Ua1keWC4GyDL1NwQU8D

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