{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891047,-0.453910,0.000000,0.000000,0.292126,-0.573458,0.765381,0.000000,-0.346445,0.680088,0.646108,0.000000,-2212768.420223,4343770.870830,4099109.706564,1],    "boundingVolume": {    "region": [2.041897,0.702431,2.041993,0.702517,0.000000,15.822743]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1363472.b3dm"}}}