{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949223,-0.314604,0.000000,0.000000,0.175944,-0.530858,0.828995,0.000000,-0.260256,0.785242,0.561838,0.000000,-1661702.071134,5013682.811081,3563255.884127,1],    "boundingVolume": {    "region": [1.890785,0.596595,1.890887,0.596616,0.000000,11.086840]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/9_1419842.b3dm"}}}