{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871414,-0.490549,0.000000,0.000000,0.211728,-0.376115,0.902058,0.000000,-0.441947,0.785078,0.433977,0.000000,-2820576.821761,5010491.909257,2751170.292391,1],    "boundingVolume": {    "region": [2.083459,0.448862,2.083572,0.448943,0.000000,61.783352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_219920.b3dm"}}}