{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950157,-0.311772,0.000000,0.000000,0.174120,-0.530648,0.829514,0.000000,-0.258076,0.786512,0.561067,0.000000,-1647781.508225,5021773.391809,3558357.040393,1],    "boundingVolume": {    "region": [1.887804,0.595616,1.887904,0.595733,0.000000,8.429125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1353807.b3dm"}}}