Transaction not yet indexed

mpzKpRFUVSSWTJpvoB2d9znZ9jqJL5SGa8oEeuMPLygPrn2Dh17ZJZPmjWVcaioJDtipdQeVwYZKeszCom8pDgt

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