{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x1b0ebf0e6c95fc1ff0e1e03cacac4d23456096089c3d560df854974e0abbf1ff",
    "signature": "0x245bf7d6b222ffb0ef77065fde1803ca9879240e044f74846de2028b89cb40553d75e9d279af40a02b97d7d1398e842b87a533e7de19a4a8174f0a43c8b16b0b1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}