Transaction not yet indexed

HKEPWMyZT5qZCsK7jMUPysj7kgvsd2ZT3bcoCSGuzPBZoaFg5eZE721AmUX2c4NbjTjqJpWNXRnWw8J2MAZDRCn

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