{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "10373",
    "entityType": "User",
    "nonce": "0x9b7d8fa4b9ce9d50d457e9f470158b7eba3eafc3fd04a9ce0c875627d9748c5d",
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    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}