Transaction not yet indexed

QuE21gtVurnyYG7BuBQ5M3TxSt6y8BEkq6iVJLPomkPSEWHwXjNJDRDwN1fGUC2XdAvKzxEeSPk9LzGmEJ9Zk3j

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