{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "50198",
    "entityType": "User",
    "nonce": "0xe1bd0f536355cf33497df3c7b4b2d7591eb8fb3d84d0be7a5a130aaf0ecee2c0",
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    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}