{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "342495",
    "entityType": "User",
    "nonce": "0x53fbc681bf7f8bbe8fa0b15ae51e42464c5792b4f320554ff8f64f07cfa4c41a",
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    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}