{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949641,-0.313340,0.000000,0.000000,0.114833,-0.348024,0.930426,0.000000,-0.291276,0.882769,0.368615,0.000000,-1858641.190895,5632986.846197,2336397.750179,1],    "boundingVolume": {    "region": [1.889420,0.377393,1.889589,0.377643,0.000000,20.228716]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_15046.b3dm"}}}