Transaction not yet indexed

2tZ18aSKDFnX1LsdNBxG1FbZrUGCJgGkbkqQHKthU3K8VMzqj4G23PsZ3a53EdvwVYC6go2XHtrNSXtwMJ41Aik2

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