{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "236414",
    "entityType": "User",
    "nonce": "0x773eb5c2b3e0ed8bb321f57391922e200bdd9c2b1df1fb4c62d187e97af3a482",
    "signature": "0x10e69f08925a2d73a3e829dbd9faa5b5821c3be9b5671a52d0681051e6f4a72b517bdbbe2d4f6d80f2f4c834f93b0dc1b2d66dbe50e83dc844d61bbbf16e964f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}