{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949649,-0.313315,0.000000,0.000000,0.174853,-0.529974,0.829791,0.000000,-0.259441,0.786356,0.560656,0.000000,-1656491.213984,5020772.598763,3555742.042274,1],    "boundingVolume": {    "region": [1.889398,0.595044,1.889560,0.595310,0.000000,8.667473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1356923.b3dm"}}}