{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0xadcb1216ef99e68b70e893a1cf635118197a7058ff63a4db16c0f25647651e8f",
    "signature": "0x47fd5f91f93d6e33629f9951086469ffa18b88058ebec4452b74b84197ed17b713cc65d1516d9474dc61e1623acc000f0ad916d06c1d4524646ed1fb5b4ec15f1c",
    "signer": "0xce1fB8A1818a6b21B6d7a5d092bF71093065AAcA",
    "userId": "496820532"
  }
}