{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5dce42937d89acd408fe5829ea27d8ee1cfeaacba80e37e72a128c252d1a4dc0",
    "signature": "0x3daf881f37006b81d0a45742b94a1c7b82ade8b348dd0b7680c10f474c8428933abd2ae0ed9e4a96f80bafdae7c56ab8c9f31fbb9b55ae8153821180121c1d4d1c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}