{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852942,-0.522006,0.000000,0.000000,0.269389,-0.440173,0.856550,0.000000,-0.446321,0.729275,0.518610,0.000000,-2849260.867391,4655608.459286,3288581.439047,1],    "boundingVolume": {    "region": [2.119951,0.545182,2.120043,0.545266,0.000000,84.644033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_5553.b3dm"}}}