{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xf316bd150a2cda5e19761edb97143968cf35562ef6a6cc541b2aee20f4cd0df7",
    "signature": "0x0673542ff8aaf9617d79dcea0aff89b976ff6079dfb20c01161f3918dff825f716676a814331886e9c36d851eb718520ac02f563cfdfc3e1ba6432bdaa28f0071c",
    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}