{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950826,-0.309726,0.000000,0.000000,0.173196,-0.531693,0.829039,0.000000,-0.256234,0.786610,0.561773,0.000000,-1636022.549151,5022414.498170,3562844.953383,1],    "boundingVolume": {    "region": [1.885619,0.596443,1.885784,0.596612,0.000000,8.741088]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1386283.b3dm"}}}