{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950084,-0.311995,0.000000,0.000000,0.174576,-0.531618,0.828798,0.000000,-0.258035,0.785766,0.562130,0.000000,-1647525.303177,5017030.057071,3565114.596388,1],    "boundingVolume": {    "region": [1.888019,0.596855,1.888157,0.597064,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1400973.b3dm"}}}