{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949650,-0.313314,0.000000,0.000000,0.114672,-0.347569,0.930616,0.000000,-0.291311,0.882960,0.368130,0.000000,-1858866.894806,5634194.363925,2333325.259369,1],    "boundingVolume": {    "region": [1.889393,0.376872,1.889561,0.377122,0.000000,16.640161]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_22290.b3dm"}}}