{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949913,-0.312516,0.000000,0.000000,0.174495,-0.530391,0.829601,0.000000,-0.258718,0.786392,0.560939,0.000000,-1651882.525146,5021006.257434,3557543.537890,1],    "boundingVolume": {    "region": [1.888555,0.595454,1.888719,0.595585,0.000000,8.462699]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354703.b3dm"}}}