Transaction not yet indexed

MBmxa8jJD9MQbkRykNGPjVBFF5oK2Ufbd6XGfdLYvjffaaaMeDbZRDMTDvdhN47rqAeGqqD5DFMuMH9Qzb2aRLZ

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