{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950586,-0.310460,0.000000,0.000000,0.173614,-0.531583,0.829022,0.000000,-0.256836,0.786396,0.561798,0.000000,-1639866.934963,5021048.996934,3563001.156192,1],    "boundingVolume": {    "region": [1.886424,0.596508,1.886522,0.596607,0.000000,13.019579]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1329975.b3dm"}}}