{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949623,-0.313393,0.000000,0.000000,0.175287,-0.531144,0.828951,0.000000,-0.259240,0.785532,0.561903,0.000000,-1655218.026561,5015532.013465,3563668.570930,1],    "boundingVolume": {    "region": [1.889510,0.596673,1.889611,0.596695,0.000000,16.289065]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/13_1415311.b3dm"}}}