{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898108,-0.439775,0.000000,0.000000,0.281224,-0.574314,0.768815,0.000000,-0.337175,0.688577,0.642008,0.000000,-2153520.136168,4397910.918227,4073027.977379,1],    "boundingVolume": {    "region": [2.026098,0.697087,2.026191,0.697143,0.000000,50.512590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/7_390527.b3dm"}}}