{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943190,-0.332255,0.000000,0.000000,0.186465,-0.529327,0.827673,0.000000,-0.274415,0.778996,0.563793,0.000000,-1752120.431712,4973835.765581,3575681.131608,1],    "boundingVolume": {    "region": [1.909417,0.598922,1.909562,0.599020,0.000000,8.771567]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_544642.b3dm"}}}