{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "297394",
    "entityType": "User",
    "nonce": "0x3e5401841f24662c92d5b14eab0ce39727ed6a464da5415d1de3577f2e5700b9",
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    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}