{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1345",
    "entityType": "User",
    "nonce": "0x35bcd97d161dcadaca108c9f33a084302e7eee0bda293db3bd1664ed41010c86",
    "signature": "0xd6070fed5bf599b2187d32df8ca7fa2b8bfc366a9627764d60f00bdac45b6b1572e63d705a9c2c74973f64d88460cd5ff7c5b78bf3d362fcf9dc802bf84bba381b",
    "signer": "0x77716b11b242ACc386023E99B7e647CaCCcbb8b6",
    "userId": "126786"
  }
}