Transaction not yet indexed

RKKkCTXT8rFiLuhiMSUXEBSjUUaZyJ9xJByDcRse4du9qqhZkBGqrEojzvLxmobgwtRMsoBxDrQw1mt7M5csdVg

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