{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897881,-0.440238,0.000000,0.000000,0.282576,-0.576325,0.766811,0.000000,-0.336643,0.686595,0.644406,0.000000,-2150143.554423,4385298.979051,4088278.738858,1],    "boundingVolume": {    "region": [2.026596,0.700211,2.026723,0.700280,0.000000,12.566706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/2_883957.b3dm"}}}