{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "18937",
    "entityType": "User",
    "nonce": "0xea50e512c5a0b16f3f60c3f877038ac54a0ffdb14d1337168280ed7a50280f06",
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    "signer": "0x77716b11b242ACc386023E99B7e647CaCCcbb8b6",
    "userId": "126786"
  }
}