{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "256401602",
    "entityType": "User",
    "nonce": "0x7e4ec1ce9d5e6d30cca03baa7529f59d3f8f946ebbf7db9d2d36a98ca75f411b",
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    "signer": "0xaC5cce7598F0Eb17aaE90fc5c8221B0312d77aFb",
    "userId": "329521655"
  }
}