{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897619,-0.440773,0.000000,0.000000,0.283007,-0.576335,0.766645,0.000000,-0.336979,0.686245,0.644603,0.000000,-2152291.127473,4383063.542975,4089537.260513,1],    "boundingVolume": {    "region": [2.027193,0.700470,2.027319,0.700539,0.000000,11.244739]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_856391.b3dm"}}}