{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948645,-0.316343,0.000000,0.000000,0.176336,-0.528794,0.830230,0.000000,-0.262088,0.785944,0.560002,0.000000,-1673389.312040,5018127.685296,3551588.909275,1],    "boundingVolume": {    "region": [1.892621,0.594277,1.892717,0.594500,0.000000,8.785435]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1093576.b3dm"}}}