{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11003",
    "entityType": "User",
    "nonce": "0xe6907cedae6a446ed28e40901e4b19df2adf8ddfdd4bb062c66678afabb36687",
    "signature": "0x6de03b58ecbb357041947d61da6cee8b214adb290946ebecd0b603acbba4f59e2e031652be1a69c2f52af7ec506d76cfc5d755a753d4b14a47a491fd2b40abef1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}