{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949607,-0.313442,0.000000,0.000000,0.174930,-0.529969,0.829778,0.000000,-0.259542,0.786309,0.560675,0.000000,-1657136.945039,5020473.262466,3555862.999418,1],    "boundingVolume": {    "region": [1.889531,0.595067,1.889693,0.595333,0.000000,8.657353]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369394.b3dm"}}}