< "strict" = %true;
"unique_keys" = %true;
> [
    {
        "name"         = "page_id";
          "required"   = %true;
          "sort_order" = "ascending";
          "type"       = "uint32";
          "type_v3"    = "uint32";
    };
    {
        "name"     = "page_model";
        "required" = %true;
        "type"     = "string";
        "type_v3"  = "string";
    };
    {
        "name"     = "caption";
        "required" = %true;
        "type"     = "string";
        "type_v3"  = "string";
    };
    {
        "name"     = "domain";
        "required" = %true;
        "type"     = "string";
        "type_v3"  = "string";
    };
    {
        "name"     = "login";
        "required" = %true;
        "type"     = "string";
        "type_v3"  = "string";
    };
    {
        "name"     = "client_id";
        "required" = %true;
        "type"     = "uint64";
        "type_v3"  = "uint64";
    };
    {
        "name"     = "source_id";
        "required" = %false;
        "type"     = "uint64";
        "type_v3"  = {
            "type_name" = "optional";
              "item"    = "uint64";
        };
    };
    {
        "name"     = "is_internal";
        "required" = %false;
        "type"     = "boolean";
        "type_v3"  = {
            "type_name" = "optional";
              "item"    = "bool";
        };
    };
    {
        "name"     = "developer";
        "required" = %false;
        "type"     = "string";
        "type_v3"  = {
            "type_name" = "optional";
              "item"    = "string";
        };
    };
    {
        "name"     = "apple_store_id";
        "required" = %false;
        "type"     = "string";
        "type_v3"  = {
            "type_name" = "optional";
              "item"    = "string";
        };
    };
    {
        "name"     = "send_time";
        "required" = %false;
        "type"     = "string";
        "type_v3"  = {
            "type_name" = "optional";
              "item"    = "string";
        };
    };
  ]
