{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949733,-0.313060,0.000000,0.000000,0.174830,-0.530383,0.829535,0.000000,-0.259148,0.786181,0.561036,0.000000,-1654627.576793,5019662.289630,3558160.233020,1],    "boundingVolume": {    "region": [1.889133,0.595553,1.889286,0.595721,0.000000,8.717462]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1354032.b3dm"}}}