{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949444,-0.313935,0.000000,0.000000,0.175500,-0.530770,0.829146,0.000000,-0.259750,0.785570,0.561614,0.000000,-1658472.947533,5015769.912797,3561832.340406,1],    "boundingVolume": {    "region": [1.890082,0.596294,1.890181,0.596376,0.000000,8.722963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1408790.b3dm"}}}