{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943083,-0.332558,0.000000,0.000000,0.186547,-0.529018,0.827853,0.000000,-0.274726,0.779078,0.563528,0.000000,-1754103.195551,4974355.746106,3573996.620622,1],    "boundingVolume": {    "region": [1.909739,0.598601,1.909884,0.598699,0.000000,8.820447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_657622.b3dm"}}}