{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897570,-0.440872,0.000000,0.000000,0.285906,-0.582074,0.761214,0.000000,-0.334648,0.681308,0.651022,0.000000,-2137464.886149,4351655.483066,4130374.587419,1],    "boundingVolume": {    "region": [2.027291,0.708816,2.027442,0.709044,0.000000,6.679095]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1790877.b3dm"}}}