{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "5499",
    "entityType": "User",
    "nonce": "0x5f27177099edd9a2ed5bbb738dba8906cc4831c246a76be6a3760ecab0c27cb2",
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    "signer": "0x6509afe1AA42cB4aa0Ef07ad951De2B196741BFe",
    "userId": "8874"
  }
}