{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7c50330f6d5261fc5e5eb3b0b436b3669bdfe06ecb11c6fe88b2f3683a620645",
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    "signer": "0x7893A4642D9ca0D6E669f0FB5934a78d1b575bcF",
    "userId": "929541105"
  }
}