{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949641,-0.313339,0.000000,0.000000,0.175235,-0.531088,0.828998,0.000000,-0.259210,0.785591,0.561833,0.000000,-1655027.474470,5015910.877184,3563226.785873,1],    "boundingVolume": {    "region": [1.889427,0.596516,1.889580,0.596684,0.000000,9.988233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_1411915.b3dm"}}}