Transaction not yet indexed

MMSkpKyreAUA7hZqQupRsudCUHEMJR173pWe1XZBBHvaCr9cdXDqqPvrJH3LQZApLwJfZeoqSfxFPc7SkBdcLr8

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