{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbc841d276564893c185f64a25c373defc87880913c7b43ed83a535d60b27273f",
    "signature": "0x518c29a2c8c5d477a7e06054ee61fa588717f9773878e2b56297efc73fa573c27d7a5531f9295afa7e89b0b2cbcd268baf0b1b784dc8d88e3d6ad48ead2b61641c",
    "signer": "0x4BDBB41a0d231Fb161686b9Fa3d3BabFC5c5201a",
    "userId": "791039127"
  }
}