{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950555,-0.310556,0.000000,0.000000,0.173816,-0.532019,0.828700,0.000000,-0.256815,0.786062,0.562275,0.000000,-1639734.467511,5018923.771435,3566034.651812,1],    "boundingVolume": {    "region": [1.886526,0.597085,1.886623,0.597184,0.000000,8.657613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1384072.b3dm"}}}