{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896346,-0.443355,0.000000,0.000000,0.287992,-0.582243,0.760299,0.000000,-0.336125,0.679555,0.652093,0.000000,-2146906.133854,4340475.146472,4137190.543195,1],    "boundingVolume": {    "region": [2.030045,0.710290,2.030224,0.710395,0.000000,9.032704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/16_1783748.b3dm"}}}