Bara bin Azib demonstrated for us by placing his hands down, leaning on his knees, and raising his backside, saying, "This is how the Messenger of Allah ﷺ used to prostrate."
حدثنا الربيع بن نافع أبو توبة حدثنا شريك
وصف لنا البراء بن عازب فوضع يديه واعتمد على ركبتيه ورفع عجيزته وقال هكذا كان رسول الله ﷺ يسجد
[Its chain is daif]. Nasai transmitted it in the Book of Tatbiq, chapter on the description of sujud, hadith no. 1105, from the hadith of Sharik the judge with this chain, and he is a mudallis as previously mentioned at 728, and I did not find him stating clearly that he heard it.