{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858533,-0.512759,0.000000,0.000000,0.262460,-0.439448,0.859069,0.000000,-0.439717,0.736236,0.514398,0.000000,-2807063.645929,4699976.898821,3261830.360708,1],    "boundingVolume": {    "region": [2.109110,0.540243,2.109274,0.540369,0.000000,16.841433]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_247837.b3dm"}}}