Transaction not yet indexed

21SSBPvZQknZhNm7vKqgpJQUBEM3ZEiAPVP9ePRvtfwBmCMKLHJgXtvuCmiP9u5prCbKHD51aEhXPUJBv6VGisVK

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