{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950555,-0.310555,0.000000,0.000000,0.173552,-0.531212,0.829273,0.000000,-0.256993,0.786610,0.561426,0.000000,-1640866.898689,5022409.778871,3560638.021534,1],    "boundingVolume": {    "region": [1.886524,0.596058,1.886622,0.596157,0.000000,8.489370]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1426711.b3dm"}}}