{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x2470df05b0c8bfdc7aa9cc30c119d8cd968734599d516532f72f9b836a894739",
    "signature": "0x262a278941591f604ffb6d178f88a985a768a7ae054dadaf6dfbcbaa4fc5d90b7e13d39c0ad1307a7f482e9777574d2b37db842645a7fdec6c27d9b11260c6891b",
    "signer": "0x989b916868600DBE345598dA58094A4216f8103f",
    "userId": "347069473"
  }
}