{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "421",
    "entityType": "User",
    "nonce": "0x13b440adf0e59d72ad4b708c8b6b094619066db7361cad8702029fc41c6d4988",
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    "signer": "0x77716b11b242ACc386023E99B7e647CaCCcbb8b6",
    "userId": "126786"
  }
}