Transaction not yet indexed

21AZ75y1U1vRoh9xD3eh2cTUmsnmqQ5R8vmAJQCxZ2KjAh4P6mzFm9x3LzDBDj1v7cPn8fkuz8mE57V3onNHJ5o7

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