{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898104,-0.439782,0.000000,0.000000,0.281222,-0.574300,0.768827,0.000000,-0.337185,0.688585,0.641994,0.000000,-2153586.067699,4397962.309872,4072938.229723,1],    "boundingVolume": {    "region": [2.026106,0.697068,2.026199,0.697125,0.000000,47.252245]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/6_390507.b3dm"}}}