{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "64964",
    "entityType": "User",
    "nonce": "0xef331746e7b0cbf0c3d50e4302f584a96748299e783c80515f3135456824f471",
    "signature": "0x590b85138342bc306aed0e1b7ca4a9d92a322a30a19e7f1d8101aeec40b434874894b199d186fa4b790c7bcf9aa27d8416ffb4ec6294175893db2f3c0e35cbf31c",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}