{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "971034959",
    "entityType": "User",
    "nonce": "0xd8ccbf4715e0eb0ddac8d427f88b9d6740beac3969dbfab80b4dd8afc428228b",
    "signature": "0xdc70ea8997f1e5a79db954f3743b82327f37f782db7924015893b72f3c246b722e1ebf51e41de33f68d343d74536c192f8d438eec0c8dacebf101508dcb552821b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}