{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1453",
    "entityType": "User",
    "nonce": "0x82ed062d2a728467c9b5a9902ff34e129b3523d333f3fcdb5619959a9cdba580",
    "signature": "0x6d6efe99f5eacacf983467ae1d73d92b54e22e87d654b836180b0ffc14129579709965e153b7cc507f5057821334ca850ce00ec867cb728f6a311b1dafca52c61b",
    "signer": "0x25E1Cc64Bd72FaD56C1D4C44e1fc2307BdcDa0c5",
    "userId": "7892"
  }
}