{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949627,-0.313383,0.000000,0.000000,0.114351,-0.346513,0.931049,0.000000,-0.291512,0.883354,0.367023,0.000000,-1860144.385778,5636696.508865,2326300.701981,1],    "boundingVolume": {    "region": [1.889465,0.375682,1.889634,0.375931,0.000000,9.093377]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_32315.b3dm"}}}