{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149566028",
    "entityType": "User",
    "nonce": "0xc6d9dd4a22ae88b8e422bf7b9cb2cd226559078d67c2fd5173679cb4976f79d8",
    "signature": "0x01682de6abd04999a6006198b2ee7aede2eed6512d41ba7004efb0ab52900f655c2840e0150f7c750f57d786984cee64ee3ae805e69f856f715cb6c0a8e4cea91c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}