{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893975,-0.448116,0.000000,0.000000,0.288829,-0.576204,0.764570,0.000000,-0.341658,0.681595,0.647069,0.000000,-2182200.159302,4353409.331358,4105226.097362,1],    "boundingVolume": {    "region": [2.035371,0.703653,2.035536,0.703816,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1991942.b3dm"}}}