Transaction not yet indexed

HMkRJBupba748mzhsyjk9iWBQTod8uiyf5am8LEdNc1o9gQaxRiNcf2yFfeJWpNsrs8vXtyZAUehdYhriWir1Xc

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