{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950658,-0.310241,0.000000,0.000000,0.173569,-0.531859,0.828854,0.000000,-0.256602,0.786294,0.562047,0.000000,-1638376.700156,5020404.711188,3564583.586221,1],    "boundingVolume": {    "region": [1.886160,0.596774,1.886326,0.596943,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396097.b3dm"}}}