{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949448,-0.313923,0.000000,0.000000,0.175577,-0.531024,0.828967,0.000000,-0.259683,0.785402,0.561880,0.000000,-1658049.922560,5014701.664887,3563521.643114,1],    "boundingVolume": {    "region": [1.890068,0.596645,1.890170,0.596667,0.000000,8.067960]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/12_1414530.b3dm"}}}