{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949879,-0.312617,0.000000,0.000000,0.174692,-0.530797,0.829300,0.000000,-0.258707,0.786076,0.561386,0.000000,-1651814.502635,5018999.845870,3560386.043049,1],    "boundingVolume": {    "region": [1.888658,0.595957,1.888829,0.596162,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1350326.b3dm"}}}