{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297781",
    "entityType": "User",
    "nonce": "0xea230d5f50e182000df858bcc1e7979b4481c296bfa28b0f9d3800c5c6de65f5",
    "signature": "0x9c1c504a839cba4f3e313c80049301269e58e1f93519fc8f91f08db126cf03d539a8caf2cbd21922164fe330595c8533cf5e6f37bf465dc6cc937b06acf71f811c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}