{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894770,-0.446528,0.000000,0.000000,0.284429,-0.569950,0.770881,0.000000,-0.343279,0.687876,0.639520,0.000000,-2192485.334566,4393384.831524,4057199.943504,1],    "boundingVolume": {    "region": [2.033611,0.693812,2.033744,0.693936,0.000000,26.611733]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1166649.b3dm"}}}