{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950587,-0.310458,0.000000,0.000000,0.173605,-0.531560,0.829039,0.000000,-0.256839,0.786413,0.561773,0.000000,-1639886.834763,5021153.736347,3562845.440982,1],    "boundingVolume": {    "region": [1.886422,0.596478,1.886520,0.596577,0.000000,20.032815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/5_1390316.b3dm"}}}