Transaction not yet indexed

RKb6RMSFRCMFbqnE2fD97tfGQrepThRgKbYqFZ8YXZVbKenbEuT91Faesc7aqXMpUpCLy5ojdBUn2rhdLbEPEkq

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