{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949190,-0.314703,0.000000,0.000000,0.115284,-0.347712,0.930487,0.000000,-0.292562,0.882409,0.368460,0.000000,-1866848.427234,5630682.892473,2335414.397620,1],    "boundingVolume": {    "region": [1.890878,0.377303,1.891003,0.377400,0.000000,52.727660]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/7_23442.b3dm"}}}