{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895791,-0.444475,0.000000,0.000000,0.288689,-0.581821,0.760357,0.000000,-0.337000,0.679187,0.652025,0.000000,-2152496.712124,4338123.222625,4136755.384412,1],    "boundingVolume": {    "region": [2.031295,0.710200,2.031474,0.710305,0.000000,19.994112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/15_1787777.b3dm"}}}