Transaction not yet indexed

MC6FejZKgf7dFff8YWfges3YGsCpeNUPMC4zyM6Ne2ecfDxAYLhMWhgH7P6PWznFCJChXT9RCZCkDNoZFaiUmgV

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