Transaction not yet indexed

mktucMek9SfyC8o2YytrYAX5SU66ovq9FDJsTaw5S9ufPp2iaLfg4X9Nepi7THa6wqZc4hhciTfwrVBWgiD6ShD

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