{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x579719430de0855ceac43d93724e7cfea4c39832ae52103761993a637df66964",
    "signature": "0x19864dbfbecda1fad00a2fb6e878c34274d784699140358c5fd160d8b7b3e8dd04629ad5adb91f8dcf1397f831a8dcb14d9507b51721553af3e036d9f0f50a6a1c",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}