{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "422770",
    "entityType": "User",
    "nonce": "0xb112292647de01d5c815d2e7cea49cec95980fe071685fe03b4a9a540cabf547",
    "signature": "0x3191b39b7596866777d56a93a0ce551eceb490b14a00353865cbecd2e699590e00b7a049a64e537c0c6ee76ebe3ab4778fb623417b6208db732ee639ffd7f3c31c",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}