{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898786,-0.438387,0.000000,0.000000,0.283112,-0.580439,0.763504,0.000000,-0.333770,0.684300,0.648330,0.000000,-2131833.321567,4370711.000257,4113244.409496,1],    "boundingVolume": {    "region": [2.024517,0.705329,2.024682,0.705448,0.000000,8.174278]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/6_1844175.b3dm"}}}