{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950477,-0.310795,0.000000,0.000000,0.173660,-0.531089,0.829329,0.000000,-0.257209,0.786599,0.561343,0.000000,-1642244.701971,5022336.672179,3560109.456549,1],    "boundingVolume": {    "region": [1.886768,0.595950,1.886883,0.596065,0.000000,8.804843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1426639.b3dm"}}}