{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1345",
    "entityType": "User",
    "nonce": "0xf20cb9c060534b1942cacabf6b0d44d6dc9b0b62025c2bc770560d08eb12790d",
    "signature": "0x98bc8338a24586b8bdb3de1ba699ede30e9fe85ab17c96aebf62f58f91605a52489462d6479a688c109c3687df8c332fb35847c4b7be3d792ecd07fcd530c5851b",
    "signer": "0xba960A2A2d8f4427Fae40C7DB0030b14F9C77419",
    "userId": "10119"
  }
}