{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1337",
    "entityType": "User",
    "nonce": "0x456483890554c1c7fa8029795c9fc4b46b3ed3afeefe596c1d5e483a2d43ccf9",
    "signature": "0xb9145d453cff2198e844a9caeece0e93a41d033e6d05ef65fa7c142a0b1fbbda41718e2bef657d9e569be79d78236c525d890408a66d297ed669e9a4de72c8401c",
    "signer": "0xba960A2A2d8f4427Fae40C7DB0030b14F9C77419",
    "userId": "10119"
  }
}