When Lisp is enabled:
PUT /restconf/config/lisp:lisp
{"lisp":{"enable": true}}

and a locator set is created:
PUT /restconf/config/lisp:lisp/lisp-feature-data/locator-sets/locator-set/loc01

{"locator-set": {"name": "loc01"}

and I configure Lisp mappings with adjacency (shortened, full request in attachments):
PUT /restconf/config/lisp:lisp/lisp-feature-data/eid-table
{
"eid-table": {
"vni-table": [{
"virtual-network-identifier": 4,
"vrf-subtable": {
"table-id": 1,
"local-mappings":

{...},
"remote-mappings": {
"remote-mapping": [{
"id": "remote_map_vrf",
"eid": {...}

,
"rlocs":

{...},
"adjacencies": {
"adjacency": [{
"id": "adj01",
"local-eid": {...}

,
"remote-eid":

{...}

,
}],
},
}]
}
}
}]
}
}

The response is IncorrectNestingException: ...adjacencies.identification.context.attributes.AdjacenciesIdentificationContexts is not top-level item."