{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "553262678",
    "entityType": "User",
    "nonce": "0xd3cbdc65871b8f5df25cda2044f353f7dd87d51ce5f6c014582b72791e3df3c4",
    "signature": "0x3eceb9e9888c5cd34dec8dac259426fae5a1822550ac6e29098dfb7fbabaa8cb346129b7c394a8ad22347e3eb3601e98110495c6959680b3c3d840b7635dfa9a1c",
    "signer": "0x2cAD6b3fCB3DB20F13b60239156FCd29b25EaEeA",
    "userId": "3314"
  }
}