Take tx memo data and parameter value as hex.

components/Transaction/index.tsx

@@ -57,13 +57,13 @@ const Transaction: FC<TransactionProps> = ({ header, state: txState, ...props })
         SetHookData['HookParameters']
       >((acc, [_, { label, value }]) => {
         return acc.concat({
-          HookParameter: { HookParameterName: toHex(label), HookParameterValue: toHex(value) }
+          HookParameter: { HookParameterName: toHex(label), HookParameterValue: value }
         })
       }, [])
       const Memos = memos
         ? Object.entries(memos).reduce<SetHookData['Memos']>((acc, [_, { format, data, type }]) => {
             return acc?.concat({
-              Memo: { MemoData: toHex(data), MemoFormat: toHex(format), MemoType: toHex(type) }
+              Memo: { MemoData: data, MemoFormat: toHex(format), MemoType: toHex(type) }
             })
           }, [])
         : undefined

components/Transaction/ui.tsx

@@ -406,7 +406,7 @@ export const TxUI: FC<UIProps> = ({
                   />
                   <Input
                     css={{ mx: '$2' }}
-                    placeholder="Value"
+                    placeholder="Value (hex-quoted)"
                     value={value}
                     onChange={e => {
                       setState({
@@ -469,7 +469,7 @@ export const TxUI: FC<UIProps> = ({
                     }}
                   />
                   <Input
-                    placeholder="Data"
+                    placeholder="Data (hex-quoted)"
                     css={{ mx: '$2' }}
                     value={memo.data}
                     onChange={e => {