{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949447,-0.313928,0.000000,0.000000,0.175146,-0.529712,0.829897,0.000000,-0.259981,0.786290,0.560498,0.000000,-1659942.622289,5020345.735338,3554741.794145,1],    "boundingVolume": {    "region": [1.890043,0.594854,1.890205,0.595120,0.000000,8.761425]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1371823.b3dm"}}}