{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949383,-0.314120,0.000000,0.000000,0.175383,-0.530071,0.829618,0.000000,-0.260052,0.785970,0.560913,0.000000,-1660393.914662,5018313.899109,3557381.224903,1],    "boundingVolume": {    "region": [1.890244,0.595356,1.890406,0.595622,0.000000,8.761930]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367489.b3dm"}}}