{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949532,-0.313669,0.000000,0.000000,0.175053,-0.529915,0.829787,0.000000,-0.259732,0.786255,0.560662,0.000000,-1658354.477700,5020129.998609,3555780.572305,1],    "boundingVolume": {    "region": [1.889770,0.595052,1.889932,0.595317,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369622.b3dm"}}}