{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949482,-0.313820,0.000000,0.000000,0.114636,-0.346837,0.930893,0.000000,-0.291870,0.883070,0.367422,0.000000,-1862427.586433,5634891.037210,2328829.485594,1],    "boundingVolume": {    "region": [1.889926,0.376110,1.890094,0.376360,0.000000,26.403536]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_28937.b3dm"}}}