{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949127,-0.314892,0.000000,0.000000,0.175880,-0.530126,0.829477,0.000000,-0.260647,0.785624,0.561122,0.000000,-1664195.413187,5016108.253371,3558706.447875,1],    "boundingVolume": {    "region": [1.891071,0.595687,1.891208,0.595794,0.000000,8.218604]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1364722.b3dm"}}}