{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x85317b8b23d5c292124a97370c93473664c8d9491a2a99a923133a6d7b7e51ee",
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    "signer": "0xD69b783e3aFcD316328B799d51f1E35033008b2e",
    "userId": "217358987"
  }
}