{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871394,-0.490584,0.000000,0.000000,0.211744,-0.376108,0.902057,0.000000,-0.441978,0.785059,0.433979,0.000000,-2820774.938756,5010373.636536,2751182.486301,1],    "boundingVolume": {    "region": [2.083499,0.448864,2.083612,0.448945,0.000000,61.783352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_219928.b3dm"}}}