{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7f580af5aaf61727e6700e2b9c705f5d25f821d13586ab1cc1ca9d6af38554a8",
    "signature": "0x2803b4fa126d0020812b89f144f6ecca9a803bf1bc4680a7741c770aac4fc7c01e965245a2aff2d64e848a8dc45a879a4224ea2a35c1bb7f6467b2a7b25f033e1c",
    "signer": "0xE068657D267BCcB8dc8bFB1e05212E240BaCaff8",
    "userId": "807866021"
  }
}