{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897867,-0.440266,0.000000,0.000000,0.285171,-0.581570,0.761875,0.000000,-0.334480,0.682130,0.650247,0.000000,-2136384.442612,4356890.763803,4125444.763490,1],    "boundingVolume": {    "region": [2.026615,0.707796,2.026767,0.708024,0.000000,15.795172]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/1_1793917.b3dm"}}}