Transaction not yet indexed

21F8kXF5kPyTt5XLoYwoCXbNWLxKBRDWUzgZGszXbHf9acp5aec351PyPQeE1ucSBfV5aqd7nfkNpJSf15dCGLSe

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