{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950704,-0.310099,0.000000,0.000000,0.173416,-0.531659,0.829015,0.000000,-0.256535,0.786487,0.561808,0.000000,-1637947.070664,5021626.743895,3563069.573542,1],    "boundingVolume": {    "region": [1.886011,0.596486,1.886176,0.596655,0.000000,8.695925]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1391294.b3dm"}}}