{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370220",
    "entityType": "User",
    "nonce": "0x00b5ffccb63bc7fc6b4ce1587859b62af1b311245abbbe64e2b75c5e4819b4d3",
    "signature": "0xdc17ee76e9aa691858f310188bb5e262d72b95727da9b272d48fa209410b79572c0c4335afb9bf37db8a5a974ffb22c9529d7623cf5385790403747d2a0c94e41c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}