{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "464100900",
    "entityType": "User",
    "nonce": "0x37b74154f47e439dd7f0852ae0cc6e12ad84aefc67d301ad236d77d570a8de09",
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    "signer": "0xA01ebc830d66b9A7a47A2EC95BcA34ED6EB49a45",
    "userId": "463524416"
  }
}