{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949360,-0.314191,0.000000,0.000000,0.175428,-0.530075,0.829606,0.000000,-0.260107,0.785939,0.560931,0.000000,-1660748.080927,5018115.781096,3557494.610456,1],    "boundingVolume": {    "region": [1.890320,0.595377,1.890482,0.595643,0.000000,8.728997]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367274.b3dm"}}}