{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950876,-0.309573,0.000000,0.000000,0.172809,-0.530794,0.829696,0.000000,-0.256312,0.787280,0.560798,0.000000,-1636516.241680,5026674.821088,3556646.396008,1],    "boundingVolume": {    "region": [1.885468,0.595239,1.885613,0.595459,0.000000,8.800975]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1448606.b3dm"}}}