{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949366,-0.314172,0.000000,0.000000,0.175416,-0.530074,0.829609,0.000000,-0.260092,0.785947,0.560927,0.000000,-1660651.491795,5018167.602545,3557466.788862,1],    "boundingVolume": {    "region": [1.890299,0.595372,1.890461,0.595638,0.000000,8.728997]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1367317.b3dm"}}}