Transaction not yet indexed

mtkUDCoRq1ncULQHTwaj5RBjjwx4PzjARGTkneQqH3tBPybmoVCjFtaoTuCjEQTTemk3uAqb8cRFb9eCZ3ctJk5

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