{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8b9790c561da3d9dabd65ba4c74910b957c508edc2fba9a032b76ca40de5b5b1",
    "signature": "0x410b8ccf545ed91604ba164edbffdfaa6b6f013a8b9f7d611f45b20e7fb796a94f65be9115d861d25cc81124d8668038612059b0fd8c2a7cdce33cb05605348b1c",
    "signer": "0x63224a1c7A7c2a9C2EE57657e3A23FeA7E5639C2",
    "userId": "812035990"
  }
}