{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950443,-0.310898,0.000000,0.000000,0.173794,-0.531305,0.829162,0.000000,-0.257242,0.786412,0.561590,0.000000,-1642456.371871,5021145.615357,3561680.923694,1],    "boundingVolume": {    "region": [1.886885,0.596257,1.886982,0.596356,0.000000,8.819004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/3_1427817.b3dm"}}}