{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949454,-0.313907,0.000000,0.000000,0.114684,-0.346878,0.930872,0.000000,-0.291944,0.883024,0.367475,0.000000,-1862898.310371,5634594.009481,2329169.348349,1],    "boundingVolume": {    "region": [1.890017,0.376168,1.890185,0.376418,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_28992.b3dm"}}}