{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949077,-0.315044,0.000000,0.000000,0.176144,-0.530638,0.829094,0.000000,-0.260651,0.785216,0.561692,0.000000,-1664225.876978,5013509.512588,3562327.996758,1],    "boundingVolume": {    "region": [1.891231,0.596376,1.891368,0.596482,0.000000,8.122829]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1417586.b3dm"}}}