{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852961,-0.521974,0.000000,0.000000,0.269316,-0.440090,0.856615,0.000000,-0.446328,0.729348,0.518501,0.000000,-2849309.235754,4656070.766527,3287889.605435,1],    "boundingVolume": {    "region": [2.119914,0.545055,2.120007,0.545139,0.000000,100.381366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_4395.b3dm"}}}