{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382132",
    "entityType": "User",
    "nonce": "0xc4393383f3cefcc205473d664cc49095bd0e4153996d446eb87ae382a6743c73",
    "signature": "0x419eca0a49a0b64db8322528f1517c6e3bff86e9743f9970191c56a3b472334031efebb64793cdbec5ed1954238b9bc405aa34d4157213bf8a9eb54b43843ed31c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}