Transaction not yet indexed

21CkcHWPG4zYNS2WZvbJi4yYi5LtB88bXMcQ7ckZSigd23XfxZHXbk2BUHTvi3z5XAPK2h59aUfKFNdPSAFySmqM

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