{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "506671051",
    "entityType": "User",
    "nonce": "0x595f2127a8a785b789ed9217441190b45b302cec8edd1d67c2a872002c116c06",
    "signature": "0xddd5702949b8c188b7049951ba98f049cd0f25a0fb8b6dda66332ce1dde8f2430a9e76198c2c92ca08a54bf182d49301fea912a7dc32ea7b9c9a96402e97288e1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}