{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xaffb94e97119e3474fa5a8e6902e994f04acc2d4d9deea677ddc4597861e62d9",
    "signature": "0x80fcbe4ba95f024375acf094032240e76eacd558cc0a71795531d5aebdc0dd3c015e5c47292613b6ca61268ecc0e46c26d041f7b0419008dd49219234bbefebe1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}