{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xb700f8566e78483d8e4b652f1ebfce133d1ca99641ff477402f121b9b47b2bd5",
    "signature": "0xf9e75644bbfb909f4604e251b35aa92205dd0b8c0ab69c8da56cbc2c80a6a51128535c9fcbfb6600a425625fc264b4f3fe8ee7cda7d5e733fb603073faa1d2221b",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}