{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896897,-0.442240,0.000000,0.000000,0.282298,-0.572523,0.769757,0.000000,-0.339483,0.688498,0.640876,0.000000,-2168252.779844,4397383.324708,4065823.567120,1],    "boundingVolume": {    "region": [2.028800,0.695582,2.028982,0.695695,0.000000,31.543337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_450891.b3dm"}}}