Transaction not yet indexed

MQB6tM2QJUZT7hvLHphFbTPSggJqhaYnbsKCMJJ1Y6itz9RfpD7fxun76Xc6Gc518ozYmMbTkahHFbATyDWZWow

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