Transaction not yet indexed

5k99SXiwpcafYfHW6rKQuQbZcoXySpsDw876k6qkATdR6X49FMN2g7S16xCN9zzKyfSfZeJXM5dcaC1eZ5gAkCNB

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