{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0x4178d5c4e42d3a930d7651e3503924f1955328ba68835ba7a6949d73ca6ad623",
    "signature": "0x92853f214cd17f6973a3b46a33b36acfc1c579f11b02e1910007c9b915d9de7749e9134edf9d4be9c7a62bfe81f9b7a39436055e68389b61a7dc861d63172c4b1c",
    "signer": "0xCd2918bCc3A626Fcb36c59D541ea1A64EbC0cfdF",
    "userId": "104409"
  }
}