{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9f19d3470d62a15d5992e9cfaa47201438a6f23049d2080f95911cc5459cda8e",
    "signature": "0xb505b0cc5dd06c879fd68da293bde9057bd61653050724b53e47da856b84f474560750fc42f340ad9349414aa81ca805128af9c80177da55fde03101418b30b11c",
    "signer": "0xc91448d4e77491Cf25add4cd2c3C6Db1dFa1141E",
    "userId": "418252339"
  }
}