{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950077,-0.312016,0.000000,0.000000,0.174590,-0.531620,0.828794,0.000000,-0.258051,0.785756,0.562136,0.000000,-1647629.265926,5016967.534894,3565154.267775,1],    "boundingVolume": {    "region": [1.888042,0.596862,1.888180,0.597071,0.000000,8.770919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1332113.b3dm"}}}