{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949828,-0.312772,0.000000,0.000000,0.114619,-0.348076,0.930433,0.000000,-0.290749,0.882950,0.368597,0.000000,-1855281.714919,5634141.128163,2336285.380233,1],    "boundingVolume": {    "region": [1.888822,0.377374,1.888990,0.377624,0.000000,28.592697]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_14771.b3dm"}}}