{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3a472e90b17f49c6b73d9e293f80a512d3cdcdcc44d6c52060dcf11b7189d546",
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    "signer": "0x7893A4642D9ca0D6E669f0FB5934a78d1b575bcF",
    "userId": "929541105"
  }
}