Transaction not yet indexed

mcKkGSo9BCsp7q8ZjAFJABYAy9hA8r7fjLB6nMRXu3DCesTYgaPJnB3AVDoDewTH4kHpLetKfhh3g8yJPHHHSP1

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