{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcde845f8c233d46c848317b50bd35c297e40b589dcb51fbb34af965433eaff13",
    "signature": "0x2c42b03e374ad22661c58a9f0f709bbc914ed24060e5d76f4f1c6f4936938e20086706cab54bd7ab93f85e2da42b3d631807f3a3ba89158866491bf9043bdd2a1c",
    "signer": "0x1b2b5973B096C8C3E93BfD5F769cf27295463638",
    "userId": "709797587"
  }
}