https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/ministore/minishopopencomponent/API/register/submit_merchantinfo.html

array (

  'errcode' => 0,

  'data' => 

  array (

    'merchant_info_status' => 3,

    'acct_verify_status' => 3,

    'basic_info_status' => 3,

    'pay_sign_status' => 1,

    'pay_audit_detail' => 

    array (

    ),

    'audit_reject_reasons' => '',

    'account_validation' => 

    array (

    ),

    'legal_validation_url' => '',

    'sign_url' => '',

    'register_status' => 0,

    'registered_appid' => 'wx6318963af4b61faf',

  ),