Transaction not yet indexed

21mW4zHKYBnWXaH9We9VrnAXctVMKy8E2CaaGvbJjNgvHTrjv2F52KLMKqA75BUcShVbXH9ofA5EGXg5QhQt5AYA

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