{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852933,-0.522020,0.000000,0.000000,0.269342,-0.440081,0.856612,0.000000,-0.446365,0.729321,0.518506,0.000000,-2849544.596512,4655901.740299,3287924.752926,1],    "boundingVolume": {    "region": [2.119967,0.545061,2.120060,0.545145,0.000000,211.379700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_5445.b3dm"}}}