Firebase help needed for reading nested data

Hello There! Im making an iOs App with Firebase, and Im having a problem reading my firebase database! I need to read this following structure, can you help me with that? For example the text in 500zNLsK/content/1/parahraph/text or the quote text in 500zNLsK/content/2/quote/quoteText​

Here is the text JSON file:

{
“news” : {
“50OzNLsK” : {
“category” : “Anuncio”,
“content” : [ null, {
“paragraph” : {
“text” : “Lorem ipsum dolor sit er elit lamet, consectetaur cillium adipisicing pecu, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Nam liber te conscient to factor tum poen legum odioque civiuda. Lorem ipsum dolor sit er elit lamet, consectetaur cillium adipisicing pecu, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Nam liber te conscient to factor tum poen legum odioque civiuda.”
}
}, {
“quote” : {
“image” : “http://www.magonicolas.cl”,
“quoteText” : “textoDelQuote”
}
} ],
“date” : “Hoy”,
“imgURL” : “https://firebasestorage.googleapis.com/v0/b/rinnofeed.appspot.com/o/images%2Ftanta.jpg?alt=media&token=60f18a95-9919-4d81-ab1c-9976b71590fc”,
“likes” : 12,
“summary” : “Este es el resumen de la noticia”,
“title” : “Mi NUeva noticia”,
“videoURL” : “https://youtu.be/S0YjUc7K3cw
}
},
“users” : {
“tfeMODxXUnVvhvzntm77pKKtyfz2” : {
“email” : "magonicolas@gmail.com",
“store” : “Rinno”
},
“tpjn4feUuiTJmsd9lslHTREG1iE2” : {
“email” : “nicolas.palacios@rinno.la”,
“store” : “Rinno”
}
}
}