{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x1b9cd744c8e098b4875d7ea5102d9957ad38089312071bd06630dbdebd2958fd",
    "signature": "0x174653fe4d10bd266caabf2b68f276204025ba5d27f3e32bc92b83bcd840b25a3500996ebe70bc4b595d6281b55ebce47422d4e484c0b829bcb656b8a40b748c1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}