{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "7498",
    "entityType": "User",
    "nonce": "0x9a9793b200041f7087a96fdeef26faf41aaef42dc9222666731a89c7aede360d",
    "signature": "0xba8356ddafcd6d4b17ce073855d65a552e448da6748fce83f9c8109813a453cd4a9ef051b3ff3490c91ce84b590639296288f9b6d9aeec0fbd4d75477b542cf41c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}