{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x7c660b51074470d708e0a0d864f8f45af0b05739e4ab70b42a2e818f8f177b2b",
    "signature": "0x470a411b2fbfcfc4257298874b4f17c1c65ac918c7c787b25b8ea800d8b647d75b23d2e1eb3cb1396c7b5927b30b54ccb568536e05e830c7982eec5ffd8897241b",
    "signer": "0xE5dE1D386bF717Ed8b141c490Ce0ABa4251eE554",
    "userId": "398183274"
  }
}