Дмитрий

function find(data, val) {
  const values = data instanceof Object ? Object.values(data) : [];
  return values.includes(val)
    ? data
    : values.reduce((found, n) => found || find(n, val), null);
}


const obj = find(arrayData, 'myValue');

function find(data, val) {
  for (const stack = [ data ]; stack.length;) {
    const n = stack.pop();
    if (n instanceof Object) {
      const values = Object.values(n);
      if (values.includes(val)) {
        return n;
      }

      stack.push(...values);
    }
  }

  return null;
}