create data nested in a main data with new id
"@context":"http://owl.openinitiative.com/oicontext.jsonld",
"@graph":[
{
"@id":"_:b1",
"http://happy-dev.fr/owl/#author_user_id":"1",
"http://happy-dev.fr/owl/#text":"message 4"
},
{
"@id":"http://localhost:8000/messages/1/",
"http://happy-dev.fr/owl/#author_user_id":"1",
"http://happy-dev.fr/owl/#text":"message 1"
},
{
"@id":"http://localhost:8000/messages/2/",
"http://happy-dev.fr/owl/#author_user_id":"1",
"http://happy-dev.fr/owl/#text":"message 3"
},
{
"@id":"http://localhost:8000/threads/1/",
"http://happy-dev.fr/owl/#author_user_id":"1",
"http://happy-dev.fr/owl/#message_set":{
"@id":"http://localhost:8000/threads/1/message_set/"
},
"http://happy-dev.fr/owl/#text":"fil 1",
"http://happy-dev.fr/owl/#title":"thread 1"
},
{
"@id":"http://localhost:8000/threads/1/message_set/",
"http://www.w3.org/ns/ldp#contains":[
{
"@id":"http://localhost:8000/messages/1/"
},
{
"@id":"http://localhost:8000/messages/2/"
},
{
"@id":"_:b1"
}
]
}
]
}