{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "291264",
    "entityType": "User",
    "nonce": "0x4f48cdea4cabdd805b521d7e08621e7293b4c8288298246dc16ee483796ebd37",
    "signature": "0xa79e6e91e0d77832191efddbe052c195711bab51d159fa506d0ca50a11880f3c7c7a12188df85721ad8d68d6a4190b7c73468dc16c9951cd2797f269015034a01b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}