{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949532,-0.313669,0.000000,0.000000,0.175056,-0.529927,0.829778,0.000000,-0.259729,0.786247,0.560675,0.000000,-1658333.340316,5020078.143638,3555863.082930,1],    "boundingVolume": {    "region": [1.889770,0.595067,1.889932,0.595333,0.000000,8.804776]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1369391.b3dm"}}}