{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x373471eb2de0c60a87068d8e7143a9afaa53c29cc35e0c235ede603125bd6d66",
    "signature": "0xb8d6e957234224f6874d793547a61944cdc1182ec0617f52704d27371dcd38e9175b2fcab92548bf307b9a5132b61fa660b34536b15425d01a3334092780080b1c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}