{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "21713",
    "entityType": "User",
    "nonce": "0x4c7a11f2021a887deafdb30e0da218e41c600febe83229c2bec84de156391330",
    "signature": "0x921ea3c7ca86629d92b082785a07453a7ae74c6702e8e2ff55c7b323a0ae557543aa8b12dbcb26add9ae60b4043506a6668427937748dcfe67bd87c987ced0541c",
    "signer": "0x25E1Cc64Bd72FaD56C1D4C44e1fc2307BdcDa0c5",
    "userId": "7892"
  }
}