{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858555,-0.512721,0.000000,0.000000,0.262398,-0.439387,0.859119,0.000000,-0.439711,0.736298,0.514314,0.000000,-2807021.446694,4700375.098226,3261296.440082,1],    "boundingVolume": {    "region": [2.109066,0.540145,2.109230,0.540271,0.000000,11.541233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_239306.b3dm"}}}