{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x856f5b406cfc3424fb6d7d530ab1ced27345e4c18351dc6263568c050d25c910",
    "signature": "0x7297b2ce92c527bbcca4cc813ebc259f607a161135c2125ca70f63165c2452e9423a696b9e06a8d30ece57ddacf5f57c9538f6a273bf846a8b64faf6a11eea441b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}