{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852933,-0.522021,0.000000,0.000000,0.269396,-0.440168,0.856550,0.000000,-0.446334,0.729268,0.518608,0.000000,-2849345.146068,4655561.926049,3288574.342135,1],    "boundingVolume": {    "region": [2.119969,0.545181,2.120061,0.545265,0.000000,84.644033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_21598.b3dm"}}}