{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896458,-0.443130,0.000000,0.000000,0.283034,-0.572582,0.769443,0.000000,-0.340026,0.687878,0.641254,0.000000,-2171724.528754,4393430.081484,4068227.428832,1],    "boundingVolume": {    "region": [2.029792,0.696075,2.029974,0.696187,0.000000,54.891054]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/6_516406.b3dm"}}}