{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "3401",
    "entityType": "User",
    "nonce": "0x2afb57f52300a1af2ba433e1bd415536c0dda57621796331b054140c060dabe3",
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    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}