{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950559,-0.310544,0.000000,0.000000,0.173866,-0.532194,0.828577,0.000000,-0.256766,0.785947,0.562457,0.000000,-1639425.904383,5018195.152392,3567193.921103,1],    "boundingVolume": {    "region": [1.886513,0.597305,1.886611,0.597404,0.000000,12.185541]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1385247.b3dm"}}}