{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852939,-0.522011,0.000000,0.000000,0.269398,-0.440182,0.856542,0.000000,-0.446321,0.729266,0.518622,0.000000,-2849263.037089,4655551.379950,3288659.835992,1],    "boundingVolume": {    "region": [2.119957,0.545196,2.120049,0.545280,0.000000,84.644033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_5551.b3dm"}}}