{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "223331",
    "entityType": "User",
    "nonce": "0x300e430a4e9f7c6266ebcb9f97ec341c989d37e68534c818ce8f0d64710f8007",
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    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}