{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944281,-0.329139,0.000000,0.000000,0.184007,-0.527906,0.829130,0.000000,-0.272324,0.781283,0.561638,0.000000,-1738759.598656,4988396.738408,3561984.794443,1],    "boundingVolume": {    "region": [1.906131,0.596327,1.906246,0.596401,0.000000,8.683455]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_191715.b3dm"}}}