{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949627,-0.313381,0.000000,0.000000,0.175249,-0.531049,0.829020,0.000000,-0.259252,0.785601,0.561800,0.000000,-1655293.388708,5015972.004494,3563018.613766,1],    "boundingVolume": {    "region": [1.889471,0.596476,1.889625,0.596645,0.000000,12.226917]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1411534.b3dm"}}}