{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949989,-0.312283,0.000000,0.000000,0.174678,-0.531383,0.828927,0.000000,-0.258314,0.785811,0.561939,0.000000,-1649308.045843,5017314.638891,3563897.802945,1],    "boundingVolume": {    "region": [1.888323,0.596623,1.888461,0.596832,0.000000,8.764911]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1407541.b3dm"}}}