{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xca4d44108e87bdbe78ee0e7575a095b751585fe7edafa38a2d1c7e33015c148d",
    "signature": "0xd2abd6adad204a093608f2b62cc1f460addac9932558a089eeebd15915276d217f62c7425d81745bad4cddf5bb8c4dc1d60c0df3e5700dbd97c0e56a58699d3c1b",
    "signer": "0x28286330e167ff43Af26834C24201cA136C5501a",
    "userId": "828122082"
  }
}