{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852809,-0.522223,0.000000,0.000000,0.269516,-0.440129,0.856532,0.000000,-0.446497,0.729147,0.518638,0.000000,-2850386.616869,4654789.417762,3288764.055615,1],    "boundingVolume": {    "region": [2.120162,0.545173,2.120340,0.545342,0.000000,105.786100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/1_21656.b3dm"}}}