{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "409129",
    "entityType": "User",
    "nonce": "0x1ad58be7b0862cc8f7e3718fd37c04af4366096a3bdb9c70d83c825f1b7040bc",
    "signature": "0x9129b64778d87a5542c1f61f00618e87a25c4c4d107d6c191f8b826591edc8cf54a31bc9ab63b9c0c5159d28eea73213947ddcd99acf9a39ade7f017f54632811b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}