{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949337,-0.314259,0.000000,0.000000,0.175740,-0.530888,0.829020,0.000000,-0.259977,0.785360,0.561802,0.000000,-1659926.231086,5014435.644278,3563025.782543,1],    "boundingVolume": {    "region": [1.890421,0.596551,1.890523,0.596573,0.000000,8.784292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/7_1417780.b3dm"}}}