Transaction not yet indexed

MkUyMd2mDNeVDLpyP8Y52qdUjRGnpXiVEnn8JN9MX5gtveqAivjUGz6dXTWxRyqB4vspdcGqU4sbZPtGA7wbE17

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