{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0x4fa21dd8cbbe14ee3f346a9c737fe1c01030c820e41f1a0549860e1db868358d",
    "signature": "0xa63fbd359b57288774acbeb2165cfa1565941b88a72b3af3e49fa5cdc4ca7c1d4824cbc2033df475f33e2120bd7d4c58e7b2f5b26da9ec91ef123fdd6c0764d61c",
    "signer": "0x33589c0123f190639eF0F09Cc7E534932611444f",
    "userId": "55235"
  }
}