{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "21228",
    "entityType": "User",
    "nonce": "0x5e554e732efe2756391775744752f02e8ce19aa382c67ff5a15bf00c2a5f7657",
    "signature": "0xfe03c569705f038b49fdabe3f687c9c4c0879e66ae5937efa0068e1e6beebca61cc00dd4d03fbd0a2b8725b052c388e11e0f9b5c5c3773d09503fe214f33acf51b",
    "signer": "0x053AE6b4e0E1ca4c355a1f76Ce5696623A43A617",
    "userId": "79438"
  }
}