{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858125,-0.513440,0.000000,0.000000,0.262756,-0.439151,0.859131,0.000000,-0.440333,0.735940,0.514295,0.000000,-2810994.225656,4698086.381506,3261173.280497,1],    "boundingVolume": {    "region": [2.109903,0.540123,2.110067,0.540248,0.000000,56.961645]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/5_131921.b3dm"}}}