change seal coords type

dist/types.d.ts

@@ -185,8 +185,8 @@ export interface SealHeadData {
 }
 export interface SealCoords {
     [key: string]: {
-        x: number;
-        y: number;
+        x: string;
+        y: string;
     };
 }
 export interface SealIndexObject {

src/types.ts

@@ -207,7 +207,7 @@ export interface SealHeadData {
 }
 
 export interface SealCoords {
-  [key: string]: { x: number; y: number };
+  [key: string]: { x: string; y: string };
 }
 export interface SealIndexObject {
   sealKey: string;