{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950176,-0.311713,0.000000,0.000000,0.174071,-0.530610,0.829550,0.000000,-0.258038,0.786562,0.561015,0.000000,-1647535.467068,5022091.314045,3558024.506825,1],    "boundingVolume": {    "region": [1.887741,0.595553,1.887841,0.595669,0.000000,8.818384]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1428113.b3dm"}}}