{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950301,-0.311332,0.000000,0.000000,0.173996,-0.531099,0.829253,0.000000,-0.257630,0.786380,0.561456,0.000000,-1644933.693130,5020942.856496,3560829.129748,1],    "boundingVolume": {    "region": [1.887315,0.596052,1.887467,0.596237,0.000000,8.617396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1431573.b3dm"}}}