{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892623,-0.450803,0.000000,0.000000,0.290628,-0.575464,0.764445,0.000000,-0.343650,0.680452,0.647217,0.000000,-2194927.058540,4346112.804995,4106165.892552,1],    "boundingVolume": {    "region": [2.038409,0.703894,2.038514,0.703963,0.000000,52.924933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_2008979.b3dm"}}}