{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948602,-0.316471,0.000000,0.000000,0.176638,-0.529461,0.829741,0.000000,-0.262037,0.785441,0.560730,0.000000,-1673070.985035,5014933.549399,3556216.296062,1],    "boundingVolume": {    "region": [1.892755,0.595156,1.892851,0.595379,0.000000,8.769189]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1185992.b3dm"}}}