{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949239,-0.314556,0.000000,0.000000,0.175911,-0.530849,0.829008,0.000000,-0.260219,0.785268,0.561819,0.000000,-1661471.159389,5013846.382197,3563134.222083,1],    "boundingVolume": {    "region": [1.890734,0.596572,1.890835,0.596593,0.000000,13.909362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/8_1418293.b3dm"}}}