{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8a717654058f58f159a62658488fa3ddf1af302ffc7e6ca1d9505ce9add720ca",
    "signature": "0xc48f2f4eca201c08ef1d80341388484a0e776e781843d92f6af21302a92aa5c0707740faf063000a423905bdae524f41e2e366ae4682f01759a7eb6e6a184dd91b",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}