{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.889336,-0.457255,0.000000,0.000000,0.287330,-0.558841,0.777906,0.000000,-0.354755,0.689980,0.630933,0.000000,-2265699.313174,4406663.740224,4002571.952118,1],    "boundingVolume": {    "region": [2.045645,0.682711,2.045759,0.682798,0.000000,37.130659]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_521431.b3dm"}}}