{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "2703",
    "entityType": "User",
    "nonce": "0x3ef4fed7ca9cd80a14075442c200d30c7109dd7cffad571e58602994d5844091",
    "signature": "0x7c81812d97852d14631c1dd20c5c7d61c9541471550575e090fc7e481778a0587e4ed0d7ff494eb3f858f35d6159d239f7aff72e2329cbacc28a22176705b3aa1c",
    "signer": "0x2E09706d061Da2bB66d01F583c734E89CFCd23D1",
    "userId": "14811"
  }
}