{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949523,-0.313699,0.000000,0.000000,0.175129,-0.530092,0.829658,0.000000,-0.259716,0.786124,0.560854,0.000000,-1658251.263390,5019293.664773,3557000.929089,1],    "boundingVolume": {    "region": [1.889801,0.595284,1.889963,0.595549,0.000000,8.751766]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1367891.b3dm"}}}