Transaction not yet indexed

mcFKrK51bMtT3VueCfCzWnNEGtcTvARCLDPRnHoFfWxKsLtMRBzLxMzJoofCv1QEeX9dmKYhRZRg1NH8ykLRfs7

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