{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948894,-0.315596,0.000000,0.000000,0.176350,-0.530228,0.829313,0.000000,-0.261177,0.785273,0.561367,0.000000,-1667581.942896,5013870.926087,3560263.203024,1],    "boundingVolume": {    "region": [1.891812,0.595983,1.891950,0.596090,0.000000,8.808038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1068549.b3dm"}}}