{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x0f4006365a30c49182825bff561e42a6bb9bb8dbd53dae20d19cda58ef2d8073",
    "signature": "0x8fbc9e3286eb41e9411e3e222862903899f0da7d223b97d1e9e880a1644971db14fff53802b437ea08024a0b5e857c0674e136861ca99f0f3800a4438ee3cbbe1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}