{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949331,-0.314278,0.000000,0.000000,0.175496,-0.530118,0.829564,0.000000,-0.260165,0.785875,0.560994,0.000000,-1661121.757723,5017708.891658,3557891.375839,1],    "boundingVolume": {    "region": [1.890423,0.595532,1.890561,0.595639,0.000000,8.819391]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/5_1366818.b3dm"}}}