{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "7504",
    "entityType": "User",
    "nonce": "0x6637591bdd180deeab767f871763a4eee00dfca0068d5e2acc6592fad89b4a86",
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    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}