{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62882",
    "entityType": "User",
    "nonce": "0x49c0f48ebeb01940dca87f136727ffa48d687d6119291418ea28c6c42e0485bd",
    "signature": "0x57863cfe1c5db24c3557f3e1f6f0bd787557dc0143ce4fb16cb70d8f6e4b82f46739ebd40894e568be9674bb899f90e16e8a5652f17af69488476f502a3896da1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}