{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950677,-0.310183,0.000000,0.000000,0.173539,-0.531878,0.828849,0.000000,-0.256553,0.786305,0.562055,0.000000,-1638061.716692,5020470.981055,3564634.666457,1],    "boundingVolume": {    "region": [1.886100,0.596783,1.886265,0.596952,0.000000,8.745057]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1327179.b3dm"}}}