{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "338131",
    "entityType": "User",
    "nonce": "0x407bd1b869ad4238ce32a1a49980e64464df2122f1d38e122f7f332ca89ddd7b",
    "signature": "0xc178d5d5f816c2646c5886c5cc721838dfe4d6ff6d620a67f65c27fc16e3b20b043c878150afed0630c49e78414cc516020480d6c41ddd8ab05bc87acb8d81aa1c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}