{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897658,-0.440693,0.000000,0.000000,0.283143,-0.576740,0.766291,0.000000,-0.336760,0.685955,0.645026,0.000000,-2150901.299319,4381219.284420,4092225.685897,1],    "boundingVolume": {    "region": [2.027104,0.701023,2.027230,0.701092,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_815146.b3dm"}}}