Transaction not yet indexed

mkcnSxhfbd5jbVGEqQVmkHpLdMvUrb1Si7MZw6cKHCoGdGVmEnGHnzXCbwppNQT5EmRMNHFZFG4R3d3tC23kpHJ

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