{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0662c6f313e3bb9ad3e63cebe383eb1e0f8e308dc2e88079eaa81289f736bad2",
    "signature": "0x71ed486078d4183a528bb1a6616cb895dcadffe46f0cd0cf0b737fd3bb763a1851091df35d6a91cb973f8179757849e17a51f11d2510697e2cbf673e3b6d86d61c",
    "signer": "0xA38C1a79132B9e85Fca6727527bCad4D8Ed4cf3e",
    "userId": "521925534"
  }
}