Transaction not yet indexed

6687YbzqC328vmppRK2x6gVdL8KWCL3QP4fi3gaVFjoSPjVfcP269btPCdc6rMJhcLYKj5B7jCG3RF79y3hJugSp

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