{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950674,-0.310190,0.000000,0.000000,0.173177,-0.530755,0.829643,0.000000,-0.256807,0.787064,0.560875,0.000000,-1639675.846066,5025294.098452,3557138.946102,1],    "boundingVolume": {    "region": [1.886132,0.595385,1.886247,0.595500,0.000000,8.789628]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1451185.b3dm"}}}