{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944166,-0.329469,0.000000,0.000000,0.184198,-0.527860,0.829117,0.000000,-0.272592,0.781175,0.561658,0.000000,-1740470.948154,4987708.997731,3562111.227864,1],    "boundingVolume": {    "region": [1.906480,0.596351,1.906594,0.596425,0.000000,8.759431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_191899.b3dm"}}}