{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x1b21e7c7dd9c08bea327ab06b662a001c0ffd7b6d4b25ff571a79a6f6ad8c6ab",
    "signature": "0xd7093ebeee024cdf2bf5f4b07e92a79624fca4b062d99109df5b4d3f7512869f6e084dcc1acd68288467dd82dae148ff9b98cb820a37916166355a7108e4921b1c",
    "signer": "0x775bA7FB8a4FF9354c099465ca493BA949FdAca6",
    "userId": "597677270"
  }
}