{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "52309",
    "entityType": "User",
    "nonce": "0x86d307bc8cdb89fbee216a6b793adf531fc783b46f8649a98fc430f45616edf6",
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    "signer": "0x866CB73184a8420C302e3850B610761F882C4DDE",
    "userId": "166428182"
  }
}