Transaction not yet indexed

1QgknSCsoJUDHMi3ppefAi3p8h19c1UNnGinmTiQePvbwRDdhQDgkS5pjpZWAEKf4xd6bS3ttHTYLb726eNYeu7

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