{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949482,-0.313822,0.000000,0.000000,0.175246,-0.530213,0.829556,0.000000,-0.259786,0.785993,0.561005,0.000000,-1658699.609528,5018457.867060,3557964.557158,1],    "boundingVolume": {    "region": [1.889932,0.595467,1.890094,0.595732,0.000000,8.818167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1366727.b3dm"}}}