{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951680,-0.307090,0.000000,0.000000,0.114681,-0.355401,0.927652,0.000000,-0.284604,0.881997,0.375608,0.000000,-1816103.615067,5628155.904210,2380768.886891,1],    "boundingVolume": {    "region": [1.882882,0.385016,1.882978,0.385091,0.000000,9.827609]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/13/47_38609.b3dm"}}}