{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0x2bcffe081bd8398b75ccd99d2c3813fab3698fa4d4e045002b3c4116673a3cf0",
    "signature": "0xa112744797883078318cce10d2b7cc2c913cda9280ce5c3ed7cfcd0eddef5a18662fe2fef6183a08c7620675e70d7d657655e320b92426f554bb92cefa4c29a71c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}