{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950756,-0.309942,0.000000,0.000000,0.173363,-0.531798,0.828937,0.000000,-0.256380,0.786454,0.561924,0.000000,-1636958.539701,5021422.547572,3563806.600348,1],    "boundingVolume": {    "region": [1.885845,0.596626,1.886011,0.596795,0.000000,8.777975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1324175.b3dm"}}}