Transaction not yet indexed

MkcaLv61HpCgFwwpSQibXF3PHyzoSKeZwizN4J4So7Q59ZUEWbnZLRcULXTdbzPpbCmUNBCVzK1LtLL2dnHbQkQ

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