{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950337,-0.311222,0.000000,0.000000,0.117417,-0.358541,0.926100,0.000000,-0.287945,0.879261,0.379456,0.000000,-1837441.468916,5610754.915429,2405178.272220,1],    "boundingVolume": {    "region": [1.887250,0.389197,1.887299,0.389219,0.000000,3.452694]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/29/21.b3dm"}}}