{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950538,-0.310609,0.000000,0.000000,0.173516,-0.531000,0.829416,0.000000,-0.257082,0.786732,0.561214,0.000000,-1641438.216217,5023185.832226,3559288.792185,1],    "boundingVolume": {    "region": [1.886573,0.595794,1.886688,0.595909,0.000000,8.816373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1425454.b3dm"}}}