{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950018,-0.312196,0.000000,0.000000,0.174496,-0.530995,0.829214,0.000000,-0.258332,0.786109,0.561513,0.000000,-1649420.562873,5019210.845816,3561192.910418,1],    "boundingVolume": {    "region": [1.888215,0.596111,1.888386,0.596316,0.000000,13.518449]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1437351.b3dm"}}}