{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950047,-0.312106,0.000000,0.000000,0.174046,-0.529793,0.830077,0.000000,-0.258529,0.786959,0.560230,0.000000,-1650669.212237,5024614.434776,3553039.894815,1],    "boundingVolume": {    "region": [1.888124,0.594598,1.888288,0.594729,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459156.b3dm"}}}