{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "265785543",
    "entityType": "User",
    "nonce": "0x0393d0f7049eadcce4b88f1136b65ef852185230d1c4d88006ead847e34ad162",
    "signature": "0x9ab6944a2940f9d08c42510dedccd44b1324d001bae36c372935083d7afbccf07933b37821a2c13962609f7665d72bf49c3c10d0d9933a251dcbfcbfab5184f31b",
    "signer": "0xF11F60bFb591E532d6E71E699ddfdfC58f377CA1",
    "userId": "458027684"
  }
}