{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949961,-0.312370,0.000000,0.000000,0.174692,-0.531262,0.829002,0.000000,-0.258409,0.785859,0.561828,0.000000,-1649913.201359,5017619.142858,3563193.673130,1],    "boundingVolume": {    "region": [1.888414,0.596489,1.888552,0.596698,0.000000,8.760017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1405557.b3dm"}}}