{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950535,-0.310616,0.000000,0.000000,0.173717,-0.531601,0.828989,0.000000,-0.256955,0.786322,0.561847,0.000000,-1640627.129022,5020578.615627,3563311.927853,1],    "boundingVolume": {    "region": [1.886589,0.596567,1.886687,0.596666,0.000000,15.223519]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1392904.b3dm"}}}