Pasar al contenido principal 
 array:2 [
  "grupos" => []
  "principal" => array:6 [
    "tipo" => ""
    "rol_label" => ""
    "rol_idrol" => null
    "html" => ""
    "reducido" => ""
    "citar" => ""
  ]
]

 array:2 [
  "grupos" => []
  "principal" => array:6 [
    "tipo" => ""
    "rol_label" => ""
    "rol_idrol" => null
    "html" => ""
    "reducido" => ""
    "citar" => ""
  ]
]