{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x32b611c5ee61650b95ca680050101157a72f7e5fe6531fc8861549960332f761",
    "signature": "0x24215608b04f94b0f6e1e0e04d2edbd7b0e9a4d48532dd00a43e6ba4320648b43f12c587cccc275b83498e13fad94f566c69cee297244ca0da1191546efdafb51c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}