Transaction not yet indexed

5b21NejKYUX8pXpiRzcA7W2FsXXgxCMxCfRteoUmTsZ6K7VfcRvW6BtDjMUbgoJzYCvDXbSSSr8rfELFr6BPpkAy

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