{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949223,-0.314604,0.000000,0.000000,0.175444,-0.529349,0.830066,0.000000,-0.260594,0.786266,0.560247,0.000000,-1663856.283307,5020187.566026,3553145.867495,1],    "boundingVolume": {    "region": [1.890788,0.594589,1.890883,0.594779,0.000000,34.242190]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/27_1380294.b3dm"}}}