{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "76457",
    "entityType": "User",
    "nonce": "0x01cd2874623d042b19bfe0517082073f35ae453e03198ce738f082340e82663f",
    "signature": "0x7da319020f8fe67d24a53dbf423471300d7982f87b0d27f70e3ce8e251449fd94167936e294bf0d638037b0b24cc697da6e8826b892ce37bd62825e1877e87921c",
    "signer": "0x48c4F1C0d0cbFF1115450a2547577c3B18D8febb",
    "userId": "642037758"
  }
}