{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949210,-0.314644,0.000000,0.000000,0.175955,-0.530817,0.829020,0.000000,-0.260296,0.785255,0.561802,0.000000,-1661962.713841,5013760.855188,3563026.054083,1],    "boundingVolume": {    "region": [1.890828,0.596551,1.890929,0.596573,0.000000,8.217823]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/7_1417796.b3dm"}}}