{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "96144",
    "entityType": "User",
    "nonce": "0x12f24bd8dee558b6ffb77736561d71c1c509d907089b0b1abdbd2cfc49003333",
    "signature": "0xff766e1ee3206e9e4e037c3da58f72a16029bcf9990d42bfd71ad7eddc9507e81a8a647b9c0f9d78c51461443209dcaeb03f967b85e9f6377b1aea3241c686391c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}