{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894674,-0.446720,0.000000,0.000000,0.284600,-0.569986,0.770791,0.000000,-0.343387,0.687721,0.639629,0.000000,-2193171.710918,4392399.023789,4057891.624330,1],    "boundingVolume": {    "region": [2.033826,0.693953,2.033959,0.694078,0.000000,37.493128]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/8_985019.b3dm"}}}