{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950914,-0.309454,0.000000,0.000000,0.172999,-0.531605,0.829136,0.000000,-0.256039,0.786777,0.561629,0.000000,-1634780.613493,5023475.032461,3561925.940719,1],    "boundingVolume": {    "region": [1.885343,0.596243,1.885488,0.596463,0.000000,8.705732]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/15_1385779.b3dm"}}}