{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x738aa2d07951a096607247cf168d6814167da8207d525ade579d37fda9ba49e6",
    "signature": "0xb97e417e52bf359534208569d6594eee87eb2079a22cce6a774b6dcf2bec148a6e0da81930b622a32e5b782b9ddc4780169ca14f805cd576e53c3013fa38ce061b",
    "signer": "0x417DF7Ac84876c4Ba8A476333a7F1326eFa03593",
    "userId": "178351686"
  }
}