{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897080,-0.441869,0.000000,0.000000,0.285507,-0.579635,0.763222,0.000000,-0.336296,0.682747,0.648662,0.000000,-2147968.836108,4360797.161719,4115357.619080,1],    "boundingVolume": {    "region": [2.028425,0.705790,2.028529,0.705859,0.000000,6.146846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/21_1837178.b3dm"}}}