{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896506,-0.443032,0.000000,0.000000,0.283000,-0.572670,0.769390,0.000000,-0.339927,0.687867,0.641318,0.000000,-2171094.925782,4393362.750841,4068633.434028,1],    "boundingVolume": {    "region": [2.029683,0.696158,2.029865,0.696270,0.000000,29.576531]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_507687.b3dm"}}}