{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894718,-0.446631,0.000000,0.000000,0.284569,-0.570066,0.770743,0.000000,-0.343297,0.687713,0.639686,0.000000,-2192598.046000,4392346.636450,4058255.867104,1],    "boundingVolume": {    "region": [2.033726,0.694028,2.033859,0.694152,0.000000,50.769754]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_984338.b3dm"}}}