{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240125",
    "entityType": "User",
    "nonce": "0x257d2b352f56c007dc292c6d140736f8bdfa1d6c5cc412eea2d360d37ad76df1",
    "signature": "0xb0a83592aca2f490fee81838d1eb2c14d7abdd03829dd22baef5bcb96495fb345b793db917952162c7af7943128ea1fa1506f40c215958bb84fc8aca57a503e91b",
    "signer": "0x3Ec98fFA47eF7773803b73964753B99Ae2D50f41",
    "userId": "545926315"
  }
}