{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950087,-0.311985,0.000000,0.000000,0.174465,-0.531299,0.829025,0.000000,-0.258098,0.785986,0.561793,0.000000,-1647926.006488,5018431.410447,3562970.859246,1],    "boundingVolume": {    "region": [1.888008,0.596447,1.888147,0.596656,0.000000,8.673000]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1335014.b3dm"}}}