i compared the2 json, it's the same :
export.json on first Kibana:
[
{
"_id": "AWYPlTlRx9zbmBpBJe-L",
"_type": "dashboard",
"_source": {
"title": "test",
"hits": 0,
"description": "",
"panelsJSON": "[{\"size_x\":6,\"size_y\":3,\"panelIndex\":1,\"type\":\"visualization\",\"id\":\"AWLhzm3-WbyQqNQzmhMY\",\"col\":1,\"row\":1}]",
"optionsJSON": "{\"darkTheme\":true}",
"uiStateJSON": "{}",
"version": 1,
"timeRestore": true,
"timeTo": "now-1M/M",
"timeFrom": "now-1M/M",
"refreshInterval": {
"display": "Off",
"pause": false,
"value": 0
},
"kibanaSavedObjectMeta": {
"searchSourceJSON": "{\"filter\":[{\"meta\":{\"index\":\"AWSniRZf3Hh0ycWFkyxx\",\"type\":\"phrase\",\"key\":\"Univers\",\"value\":\"Web\",\"disabled\":false,\"negate\":false,\"alias\":null},\"query\":{\"match\":{\"Univers\":{\"query\":\"Web\",\"type\":\"phrase\"}}},\"$state\":{\"store\":\"appState\"}},{\"query\":{\"match_all\":{}}}],\"highlightAll\":true,\"version\":true}"
}
}
}
]
export.json on second Kibana after import:
[
{
"_id": "AWYPlTlRx9zbmBpBJe-L",
"_type": "dashboard",
"_source": {
"title": "test",
"hits": 0,
"description": "",
"panelsJSON": "[{\"size_x\":6,\"size_y\":3,\"panelIndex\":1,\"type\":\"visualization\",\"id\":\"AWLhzm3-WbyQqNQzmhMY\",\"col\":1,\"row\":1}]",
"optionsJSON": "{\"darkTheme\":true}",
"uiStateJSON": "{}",
"version": 1,
"timeRestore": true,
"timeTo": "now-1M/M",
"timeFrom": "now-1M/M",
"refreshInterval": {
"display": "Off",
"pause": false,
"value": 0
},
"kibanaSavedObjectMeta": {
"searchSourceJSON": "{\"filter\":[{\"meta\":{\"index\":\"AWSniRZf3Hh0ycWFkyxx\",\"type\":\"phrase\",\"key\":\"Univers\",\"value\":\"Web\",\"disabled\":false,\"negate\":false,\"alias\":null},\"query\":{\"match\":{\"Univers\":{\"query\":\"Web\",\"type\":\"phrase\"}}},\"$state\":{\"store\":\"appState\"}},{\"query\":{\"match_all\":{}}}],\"highlightAll\":true,\"version\":true}"
}
}
}
]