code: function __serializeString(data) {
  	let dataBuffer = UTF8Encode(data);
  	let length = dataBuffer.byteLength;
  	let lengthData = new Uint32Array([length]);
  	return [lengthData.buffer, dataBuffer];
  }
docs: Serialize string data (use UTF8 encode)
  @param {string} data - 32-bits length string
  @returns {ArrayBuffer[]}
  @private