{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950590,-0.310450,0.000000,0.000000,0.173627,-0.531642,0.828982,0.000000,-0.256815,0.786360,0.561858,0.000000,-1639733.656154,5020820.342119,3563382.124447,1],    "boundingVolume": {    "region": [1.886414,0.596580,1.886512,0.596679,0.000000,14.679444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/6_1393477.b3dm"}}}