{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3c6985dc412800b8db3eb88c489ea2a91619ed28f1876ac0035dd3aa54ac27f0",
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    "signer": "0x2831c0DbBa6709E27D769013f31C4694731F9Cf5",
    "userId": "699618547"
  }
}