{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949878,-0.312620,0.000000,0.000000,0.174718,-0.530870,0.829247,0.000000,-0.258694,0.786025,0.561464,0.000000,-1651728.250626,5018676.653090,3560878.289490,1],    "boundingVolume": {    "region": [1.888661,0.596051,1.888832,0.596256,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1434975.b3dm"}}}