{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948648,-0.316332,0.000000,0.000000,0.176413,-0.529044,0.830055,0.000000,-0.262023,0.785779,0.560264,0.000000,-1672975.237105,5017080.768130,3553251.447724,1],    "boundingVolume": {    "region": [1.892609,0.594592,1.892705,0.594816,0.000000,8.757404]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1215543.b3dm"}}}