{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898024,-0.439947,0.000000,0.000000,0.284484,-0.580691,0.762802,0.000000,-0.334648,0.683086,0.649157,0.000000,-2137446.901106,4362972.707883,4118507.670467,1],    "boundingVolume": {    "region": [2.026270,0.706364,2.026402,0.706587,0.000000,14.750412]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1821909.b3dm"}}}