{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949036,-0.315168,0.000000,0.000000,0.175956,-0.529839,0.829645,0.000000,-0.260928,0.785708,0.560873,0.000000,-1665992.292390,5016640.961570,3557125.095699,1],    "boundingVolume": {    "region": [1.891362,0.595387,1.891499,0.595493,0.000000,8.585155]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_1072061.b3dm"}}}