{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0x84fcc3938c7c025ec9b055ebd34d9d059d369a279c1ef3ff8b4e04fc6d1cc48b",
    "signature": "0xb916b6f0982fd78fc252656b136470a26ed9872b66e85fcbb1a851633c348d9a7491405fa92bce35f4afaedd6abbc785a5483f71f95196466dbea8918fe408bf1b",
    "signer": "0xDf325b3870fdf216bD42916714b1AC2FA2D27425",
    "userId": "2009913"
  }
}