{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949008,-0.315252,0.000000,0.000000,0.175937,-0.529625,0.829785,0.000000,-0.261042,0.785819,0.560665,0.000000,-1666717.424143,5017345.204986,3555800.810939,1],    "boundingVolume": {    "region": [1.891471,0.595093,1.891566,0.595284,0.000000,8.772595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1073807.b3dm"}}}