{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951243,-0.308443,0.000000,0.000000,0.115660,-0.356698,0.927032,0.000000,-0.285665,0.880996,0.377150,0.000000,-1822878.846746,5621788.866170,2390548.035253,1],    "boundingVolume": {    "region": [1.884270,0.386665,1.884434,0.386768,0.000000,28.071914]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/14_28143.b3dm"}}}