{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "13321",
    "entityType": "User",
    "nonce": "0x8b5e4c12531c76ac1e7a9b7f02832c8aba20be693d880f6ec4e6485e63a94b63",
    "signature": "0x8c5df56216feee9eb9b6896519e757ba1929c9f077be8a1119146439badf15f850d005c975fe9baccabdf030ed4d80fdd04f76e62d8e5846fc77b53a6eb0e1551c",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}