{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949475,-0.313843,0.000000,0.000000,0.175461,-0.530824,0.829120,0.000000,-0.259666,0.785570,0.561653,0.000000,-1657933.673625,5015770.370593,3562081.068489,1],    "boundingVolume": {    "region": [1.889985,0.596341,1.890084,0.596423,0.000000,15.300928]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1409973.b3dm"}}}