{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894794,-0.446480,0.000000,0.000000,0.284434,-0.570035,0.770816,0.000000,-0.343213,0.687836,0.639599,0.000000,-2192064.178049,4393132.187077,4057697.697656,1],    "boundingVolume": {    "region": [2.033557,0.693914,2.033691,0.694038,0.000000,48.259161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/7_983157.b3dm"}}}