{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275",
    "entityType": "User",
    "nonce": "0xd12714cedffa87bc261257e767430a45e2e67504ef4621c769c0abd67e81ddb3",
    "signature": "0x0027762e0b3bde1947416403fa80566da61b7fe7b65fbb79a1b191d6c4cef0216afa12427a12d93aabaf97a51ac1e07bc47f179d8a5e9a591d936094c4cf21eb1b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}