SyntaxError: Unexpected token 'n', "null" is not valid JSON
    at JSON.parse (<anonymous>)
    at createStrictSyntaxError (/var/www/withdraw-api/node_modules/body-parser/lib/types/json.js:169:10)
    at parse (/var/www/withdraw-api/node_modules/body-parser/lib/types/json.js:86:15)
    at /var/www/withdraw-api/node_modules/body-parser/lib/read.js:128:18
    at AsyncResource.runInAsyncScope (node:async_hooks:206:9)
    at invokeCallback (/var/www/withdraw-api/node_modules/raw-body/index.js:238:16)
    at done (/var/www/withdraw-api/node_modules/raw-body/index.js:227:7)
    at IncomingMessage.onEnd (/var/www/withdraw-api/node_modules/raw-body/index.js:287:7)
    at IncomingMessage.emit (node:events:524:28)
    at endReadableNT (node:internal/streams/readable:1698:12)