Accessing Dynamo DB with React Native AWS Javascript SDK

dynamo-db.js

import AWS from 'aws-sdk';
import {AWS_ACCESS_KEY, AWS_SECRET_KEY} from 'react-native-dotenv';
import {COGNITO_USER} from '@constants/asyncStorage';
import {AsyncStorage} from 'react-native';
import {Auth} from '@lib/Auth';

const creds = () => AsyncStorage.getItem(COGNITO_USER)
  .then((data) => JSON.parse(data))
  .then((data) => data);

AWS.config.update({
  accessKeyId: AWS_ACCESS_KEY,
  secretAccessKey: AWS_SECRET_KEY,
  region:'us-east-1'
});

const StatsDB = new AWS.DynamoDB.DocumentClient({
  apiVersion: '2012-08-10'
});

const statsTable = "djinii-mobilehub-1897344653-stats";

const params = (username) => ({
  RequestItems: {
    [statsTable]: [
      {
        PutRequest: {
          Item: {
            userId: username, // main key
            time: 135235231241, // sub key
            strength: 141, 
            intelligence: 124
          }
        }
      }
    ]
  }
});

export const fakeDynamoRequest = (username) => {
  StatsDB.batchWrite(params(username), function(err, data) {
    if (err) console.log('Error writing to DB', err, err.stack); // throws "The provided key element does not match the schema"
    else     console.log('Wrote To DB!!!!', data);           // successful response
    /*
    data = {
    }
    */
  });
};

tableSchema = {
  userId: string,
  time: number,
  intelligence: number,
  strength: number,
  stamina: number,
  agility: number
}