{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x11ee0226038badadb4a737de3790144b31a982a043ea0d01c16881839aafecda",
    "signature": "0xbfcb936ec6046c0691e7abd18c369379bb3f213f0bc06124b29b34a71c211ed96b95da0579f75b8bc114e32d636e9a7fcef94aaf9c4286f9e36f8ec70e15f6181c",
    "signer": "0x0B39233BEFC377d399A91F652e7799279624F944",
    "userId": "735643598"
  }
}