{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895636,-0.444788,0.000000,0.000000,0.284289,-0.572451,0.769077,0.000000,-0.341135,0.686918,0.641693,0.000000,-2178812.467019,4387308.209967,4071024.343266,1],    "boundingVolume": {    "region": [2.031673,0.696645,2.031795,0.696763,0.000000,47.144606]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/3_686900.b3dm"}}}