{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950268,-0.311433,0.000000,0.000000,0.173744,-0.530143,0.829917,0.000000,-0.257921,0.786989,0.560469,0.000000,-1646787.133781,5024809.175620,3554555.366233,1],    "boundingVolume": {    "region": [1.887447,0.594893,1.887546,0.595010,0.000000,8.821118]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1452631.b3dm"}}}