Transaction not yet indexed

21UBfC4XE48akBoHPmPJVBEaLjfVY1AasjMwL1PEz5qDvka6fctiZKmfUPZXYVNdfX7i5mXFyY8hNVNksducUJk4

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