{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949848,-0.312711,0.000000,0.000000,0.174588,-0.530305,0.829636,0.000000,-0.258891,0.786372,0.560886,0.000000,-1652986.510878,5020881.206574,3557209.476623,1],    "boundingVolume": {    "region": [1.888761,0.595390,1.888924,0.595522,0.000000,8.803979]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1355353.b3dm"}}}