{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949461,-0.313885,0.000000,0.000000,0.175336,-0.530368,0.829438,0.000000,-0.259800,0.785863,0.561180,0.000000,-1658791.689070,5017632.195237,3559078.448918,1],    "boundingVolume": {    "region": [1.890029,0.595770,1.890128,0.595852,0.000000,8.064023]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1362951.b3dm"}}}