{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x305c28f19c003c4b2bf5202bd03e59a6336ff8b60f69e5ccc391e6042ada0bc3",
    "signature": "0x8960cbb01921af330613e6dba9c9b3ed1c940dc922a4f769532369230e26c7f330f2cc0815a87cf8b37847d739277b27fa1ecae4c0f31854354799d40a71f6a31b",
    "signer": "0x56CF87777DbbEec3ab25561566CB34eE2f5C74Bf",
    "userId": "94019576"
  }
}