{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x74b0104b4f8e343a9292838cc8f36808f29d454fa8bed3101f3b1ccd8cbcf3aa",
    "signature": "0x63f6ddfe9e85eec78117ced25605787cf1d445d434677fe10ca41f440314bfef611b72ecca1b97bb66e8332c0df18a41529c86530d55c18d106f9c43f6d7d4411b",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}