Transaction not yet indexed

Mk6JTJrVzsFYGwQb8gffgRqPJLtb1w3v5PxY78WVjKe4AzmpYZkKteNyEE4kemyV8r1CUXpcBTCYKcBY5DzYiq2

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