Transaction not yet indexed

MLTKT4tA4R8bGTpYsvdJpiZjPkN4VmvdT7fLabuvUDKPRnufurRFTJ4fjDk6bd4Y1Z2WPaVaoPp4AEKUyqvMotN

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