{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949972,-0.312335,0.000000,0.000000,0.174673,-0.531269,0.829001,0.000000,-0.258380,0.785867,0.561829,0.000000,-1649728.533471,5017673.932501,3563201.967558,1],    "boundingVolume": {    "region": [1.888377,0.596491,1.888516,0.596700,0.000000,8.760017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1405583.b3dm"}}}