{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897683,-0.440641,0.000000,0.000000,0.285459,-0.581543,0.761788,0.000000,-0.334727,0.681912,0.650349,0.000000,-2137962.027461,4355499.028481,4126092.662861,1],    "boundingVolume": {    "region": [2.027033,0.707930,2.027185,0.708158,0.000000,11.025348]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1796729.b3dm"}}}