{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949540,-0.313646,0.000000,0.000000,0.175409,-0.531039,0.828993,0.000000,-0.259462,0.785502,0.561841,0.000000,-1656636.825902,5015344.507266,3563275.816196,1],    "boundingVolume": {    "region": [1.889776,0.596599,1.889877,0.596620,0.000000,10.387018]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/9_1412218.b3dm"}}}