{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "606255392",
    "entityType": "User",
    "nonce": "0xfafd03728e7892bfe0a2b17726a64afec2655805522cd45b352b3c4173447751",
    "signature": "0x08ab65ec2e53da8319e6bdbceaba25f3eff26a764fb8ec85ebef2333207a5f845c6dc5c7236fe1e3e338f3e80ab017318e92b6396dcc85dd13bc19e64ab7b8a81b",
    "signer": "0x044142FBd4AF7201d53A9BD1d822768a436d6314",
    "userId": "683311144"
  }
}