Transaction not yet indexed

21Uc4vDdVE5AU71LUeCeSacwis2Pp8RjiFDgFnto9gqTgAEWUXpppZewyN8cx1Svgv8HvbRvYDaWV99UG4QY8boi

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