{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949530,-0.313677,0.000000,0.000000,0.175061,-0.529925,0.829779,0.000000,-0.259736,0.786245,0.560674,0.000000,-1658375.693248,5020066.374041,3555859.967709,1],    "boundingVolume": {    "region": [1.889778,0.595067,1.889940,0.595332,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369405.b3dm"}}}