{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949776,-0.312930,0.000000,0.000000,0.174676,-0.530160,0.829710,0.000000,-0.259096,0.786383,0.560777,0.000000,-1654290.263974,5020948.887931,3556512.499439,1],    "boundingVolume": {    "region": [1.888991,0.595258,1.889155,0.595389,0.000000,11.642476]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1456853.b3dm"}}}