{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950329,-0.311246,0.000000,0.000000,0.173598,-0.530048,0.830008,0.000000,-0.257795,0.787127,0.560334,0.000000,-1645979.466542,5025685.880501,3553695.706745,1],    "boundingVolume": {    "region": [1.887250,0.594730,1.887350,0.594847,0.000000,8.571897]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1459784.b3dm"}}}