{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "114709",
    "entityType": "User",
    "nonce": "0xc3fd64b5e697b342f872d25a1430b733a3fdd25082e0430ceafaf2b03c82faae",
    "signature": "0x13555ebc4e990c7e22e9b9a857daf3feebd734c9f9d4000f07ad52cd36bbf5ee1efcc27b946a72b034b00fb775a066a15f0f1250376ee84b14ba99aeb3a22cba1c",
    "signer": "0xA518C4B4e06db28f7574297648E8B716E0578154",
    "userId": "841029631"
  }
}