{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "42976",
    "entityType": "User",
    "nonce": "0xe90fad0a1ecf7a5f6155339a9b6a627d4c6a5e484b4c2b9ac203c0067e42066a",
    "signature": "0x50318a5caf2f15788cfd52c7c73cbcbb0be35c28e7bdf57c93f0e04542c2dc7440b7730a8399ada35cde0d6ea37ebf26c42a523ca8e6cd8b1384daa2e899a33f1c",
    "signer": "0x77716b11b242ACc386023E99B7e647CaCCcbb8b6",
    "userId": "126786"
  }
}