{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950686,-0.310155,0.000000,0.000000,0.173530,-0.531903,0.828834,0.000000,-0.256525,0.786298,0.562076,0.000000,-1637884.312873,5020430.340805,3564772.491072,1],    "boundingVolume": {    "region": [1.886070,0.596810,1.886235,0.596979,0.000000,8.758891]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396536.b3dm"}}}