CREATE TABLE "subject" (	"external_id" varchar(255) NOT NULL,	"created_at" timestamp NOT NULL,	"last_seen_at" bigint,	"status" text,	"row_id" varchar(255) PRIMARY KEY NOT NULL,	"tenant" varchar(255) NOT NULL);--> statement-breakpointCREATE UNIQUE INDEX "subject_uidx" ON "subject" USING btree ("tenant","external_id");