{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xb6d6c6f31a74decb08838a4a8ed06186c78a73ebaed4b924f80a668abfb44c94",
    "signature": "0xe1e556f0010dda1e0f4f56f0c6b556b03b2126f3d511de5f52b84ce1cd1d088c2c0530bdff1031acd8ca058cf6a332f0dffdfd50b814354571b8a93a06413cc21c",
    "signer": "0x282ee15f248b4c7569570b873745bCaf231935c3",
    "userId": "499393408"
  }
}