Transaction not yet indexed

21UmUmNhRqwjskm7L21uf2PpkPac61ZcaqWPavZL63Zx8LHNd2BFZmbCgYRfaX3DBrFSjEsiFD3fsKE6mqmqFUxM

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