{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950632,-0.310321,0.000000,0.000000,0.173625,-0.531878,0.828831,0.000000,-0.256661,0.786250,0.562082,0.000000,-1638753.930202,5020121.542390,3564807.472691,1],    "boundingVolume": {    "region": [1.886245,0.596816,1.886410,0.596985,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396586.b3dm"}}}