{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950259,-0.311461,0.000000,0.000000,0.173739,-0.530075,0.829961,0.000000,-0.257958,0.787024,0.560403,0.000000,-1647022.627885,5025029.532866,3554137.538388,1],    "boundingVolume": {    "region": [1.887476,0.594814,1.887576,0.594931,0.000000,8.790312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1451914.b3dm"}}}