{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948759,-0.316002,0.000000,0.000000,0.176338,-0.529433,0.829823,0.000000,-0.261675,0.785649,0.560609,0.000000,-1670758.044512,5016256.090489,3555443.544590,1],    "boundingVolume": {    "region": [1.892261,0.595009,1.892357,0.595232,0.000000,8.812225]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1178701.b3dm"}}}