Transaction not yet indexed

u6Nz1YmcFkjtnFBxdDmRYQJcSqFRNUBnxDTjjNenycULr788EkfBLMnAKM44xRXdueyRp8Tc8v6c7RXyXB5nuy3

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