{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948751,-0.316026,0.000000,0.000000,0.176349,-0.529423,0.829827,0.000000,-0.261696,0.785646,0.560602,0.000000,-1670893.750879,5016238.688946,3555404.585039,1],    "boundingVolume": {    "region": [1.892286,0.595002,1.892382,0.595225,0.000000,8.707297]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1075037.b3dm"}}}