{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949430,-0.313980,0.000000,0.000000,0.114735,-0.346943,0.930842,0.000000,-0.292002,0.882972,0.367553,0.000000,-1863272.521305,5634264.141180,2329664.604266,1],    "boundingVolume": {    "region": [1.890094,0.376252,1.890263,0.376501,0.000000,23.889095]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/4_29121.b3dm"}}}