{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950011,-0.312216,0.000000,0.000000,0.174635,-0.531380,0.828938,0.000000,-0.258262,0.785839,0.561923,0.000000,-1648972.117943,5017495.365695,3563799.475056,1],    "boundingVolume": {    "region": [1.888252,0.596605,1.888390,0.596813,0.000000,8.764911]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1407272.b3dm"}}}