{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950761,-0.309924,0.000000,0.000000,0.173232,-0.531427,0.829202,0.000000,-0.256449,0.786713,0.561531,0.000000,-1637393.031066,5023065.774744,3561307.266759,1],    "boundingVolume": {    "region": [1.885837,0.596125,1.885983,0.596345,0.000000,8.393365]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/14_1339013.b3dm"}}}