{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948974,-0.315353,0.000000,0.000000,0.175979,-0.529565,0.829815,0.000000,-0.261135,0.785820,0.560621,0.000000,-1667312.255027,5017347.376696,3555520.756919,1],    "boundingVolume": {    "region": [1.891578,0.595040,1.891672,0.595230,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074704.b3dm"}}}