{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "214443",
    "entityType": "User",
    "nonce": "0x308b30d8e583f026a393db079cb35591d0c3e4946c64421d6b175951272814e2",
    "signature": "0x4edd464d8a2e676104bccf5f0bc978cd9e497c8f8cfa3783ac72933e21fc61ba77d50be23167e061c015ebd7f9dadead18debac5a375835d711a6e805c0913cc1c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}