{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x558941e57847e9cea00095a33a1db5d9b761f3f8d5d1d45429bf2802937ca544",
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    "signer": "0xf327E1AA7292af87D17Be6696f3514a449c7e9ab",
    "userId": "558212114"
  }
}