{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x46546bc1090c55aa8ff46286fc4d49135e38ddc8eb12d8e42260486b832e5f25",
    "signature": "0x7570544fb1632cfcdc2f4d355195043a7e29c9bc6715d199125fbecdb7e273543a54ddf071cb9302b989ba70a6331226d22b711490f72db5825041051202b2dc1b",
    "signer": "0xe6703F75051adaC111f790ba2c987CA6155B28d8",
    "userId": "151220684"
  }
}