{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950571,-0.310506,0.000000,0.000000,0.173647,-0.531596,0.829007,0.000000,-0.256869,0.786369,0.561821,0.000000,-1640077.743774,5020874.890295,3563148.479639,1],    "boundingVolume": {    "region": [1.886473,0.596536,1.886570,0.596635,0.000000,13.834999]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1391776.b3dm"}}}