{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949670,-0.313252,0.000000,0.000000,0.115956,-0.351537,0.928965,0.000000,-0.290731,0.881394,0.372318,0.000000,-1855181.943177,5624260.883542,2359891.567528,1],    "boundingVolume": {    "region": [1.889342,0.381455,1.889481,0.381555,0.000000,5.372765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/15_67743.b3dm"}}}