{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949172,-0.314759,0.000000,0.000000,0.115301,-0.347696,0.930491,0.000000,-0.292615,0.882395,0.368450,0.000000,-1867185.574247,5630596.387380,2335353.839251,1],    "boundingVolume": {    "region": [1.890937,0.377293,1.891061,0.377389,0.000000,44.097862]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/7_23336.b3dm"}}}