{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897910,-0.440179,0.000000,0.000000,0.282584,-0.576436,0.766725,0.000000,-0.336560,0.686539,0.644509,0.000000,-2149614.744153,4384942.331650,4088934.888952,1],    "boundingVolume": {    "region": [2.026531,0.700346,2.026658,0.700415,0.000000,15.625746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852613.b3dm"}}}