Transaction not yet indexed

MyMKFSXgHF3C9YwDZTpMxSfhEt2ApmuiBNwxPD6HtMEUdN3TNSmvrRMXrovzvnWAAQ1YiQfKL9ww1sMuiVB9b89

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