{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944349,-0.328944,0.000000,0.000000,0.184073,-0.528446,0.828771,0.000000,-0.272044,0.780997,0.562170,0.000000,-1736972.233783,4986585.759541,3565368.149384,1],    "boundingVolume": {    "region": [1.905924,0.596970,1.906039,0.597045,0.000000,8.765044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/15_194312.b3dm"}}}