{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949121,-0.314910,0.000000,0.000000,0.175890,-0.530123,0.829477,0.000000,-0.260662,0.785619,0.561122,0.000000,-1664290.239006,5016076.228665,3558707.236581,1],    "boundingVolume": {    "region": [1.891090,0.595688,1.891227,0.595794,0.000000,8.218604]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1364739.b3dm"}}}