{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895176,-0.445713,0.000000,0.000000,0.289716,-0.581870,0.759929,0.000000,-0.337747,0.678335,0.652525,0.000000,-2157270.506493,4332690.001455,4139940.092382,1],    "boundingVolume": {    "region": [2.032757,0.710900,2.032777,0.710925,0.000000,5.548245]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/21.b3dm"}}}