{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x5919881566167df626210d8db32e20ba3e9e260d059cff24d4fff2aaa99aa300",
    "signature": "0xf0f8a4969f0d1c4a78c5c1161a5d9543f3d65a419b5e278d28d8e59a3c75ac875ae6ed9c9e028b6e8be27a4b62ab8b7c2f2b5613280297c6991a95cc25a0614c1b",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}