Transaction not yet indexed

421hsrEX4h52PzkshdXmTpJwnPCAhjSM1idD9Q9NMzuMmcJp8AKRWGcLBGd61AhE5G5QLLwuCb5UTA2StPFoj1pr

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