{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "500045816",
    "entityType": "User",
    "nonce": "0x4069f28683ed94ee7d408656fd9be13a78ba4afdbb54e388f26af2451ce5dde2",
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    "signer": "0x80039Db0B0400D2699a0A8A5CC63821682080654",
    "userId": "580920017"
  }
}