{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949589,-0.313498,0.000000,0.000000,0.175126,-0.530458,0.829424,0.000000,-0.259476,0.785955,0.561201,0.000000,-1656719.429185,5018224.734231,3559207.381470,1],    "boundingVolume": {    "region": [1.889621,0.595795,1.889720,0.595877,0.000000,8.767464]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1362539.b3dm"}}}