{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896464,-0.443117,0.000000,0.000000,0.282969,-0.572471,0.769549,0.000000,-0.340064,0.687978,0.641126,0.000000,-2171965.092240,4394069.859036,4067413.436777,1],    "boundingVolume": {    "region": [2.029778,0.695908,2.029961,0.696021,0.000000,42.342939]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_516254.b3dm"}}}