{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "322803",
    "entityType": "User",
    "nonce": "0x3c8c29e765db39017ee0c09c941a5fdec6e6c89bb4b00b6e2ae4d5fec0fc64a1",
    "signature": "0x39b102a271734c3677b5a19525bee5bddda9ca552e5fadafa6502a722dc0c1516da07bf90801db87358a7c1e5284d9fe8a1d9254b8040d689fd8f9abebce3aee1b",
    "signer": "0x50Fa68E2236737fa15f471F72A9AD1Ea99870D8c",
    "userId": "336906"
  }
}