{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "4589",
    "entityType": "User",
    "nonce": "0xaefb402d3c042cd573ba1b793d974898888e1f36c726632cdd60597b1829c64c",
    "signature": "0x8c1d2bab59bd4c9403a5341d2b17b1333a0728a66de3bdcdd6b651261ef4bca01b87bc28318438b301a8f37394fc7ce1b50cf05cf1d4cdd55284d37ca4db57ae1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}