{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950736,-0.310002,0.000000,0.000000,0.173441,-0.531921,0.828841,0.000000,-0.256401,0.786346,0.562066,0.000000,-1637090.157112,5020737.532342,3564705.097111,1],    "boundingVolume": {    "region": [1.885909,0.596797,1.886074,0.596966,0.000000,8.796485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1387772.b3dm"}}}