{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950757,-0.309936,0.000000,0.000000,0.113665,-0.348679,0.930324,0.000000,-0.288079,0.883709,0.368874,0.000000,-1838247.188923,5638987.987644,2338044.525151,1],    "boundingVolume": {    "region": [1.885901,0.377778,1.885943,0.377817,0.000000,6.969205]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/29/12.b3dm"}}}