{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896510,-0.443024,0.000000,0.000000,0.282996,-0.572674,0.769388,0.000000,-0.339921,0.687868,0.641320,0.000000,-2171050.923010,4393368.848312,4068650.217172,1],    "boundingVolume": {    "region": [2.029674,0.696161,2.029857,0.696274,0.000000,29.326172]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_507592.b3dm"}}}