{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950219,-0.311581,0.000000,0.000000,0.174130,-0.531039,0.829262,0.000000,-0.257839,0.786322,0.561442,0.000000,-1646267.985965,5020569.917639,3560738.949014,1],    "boundingVolume": {    "region": [1.887584,0.596023,1.887722,0.596231,0.000000,8.604596]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431410.b3dm"}}}