{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253360517",
    "entityType": "User",
    "nonce": "0x8c3a740c5b8939aaa27fb9d226e75eeeb2c601e2ca52421eb99450c8902e066a",
    "signature": "0xb307350acf95729a9368e00d7b50ec6f5c9e33e18116348d156d8941462facf758ed633b3967aeea272ba13d743bd7a8f5536c06a08505841d4cf8040a1abcde1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}