{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949475,-0.313843,0.000000,0.000000,0.175340,-0.530458,0.829379,0.000000,-0.259747,0.785818,0.561268,0.000000,-1658453.985954,5017347.575695,3559633.293136,1],    "boundingVolume": {    "region": [1.889985,0.595876,1.890084,0.595958,0.000000,8.598811]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1361671.b3dm"}}}