{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1459",
    "entityType": "User",
    "nonce": "0xbd2aa760e67abcaf6f6f107a9cd27377a42191595ae95172be43c0c04ed8a367",
    "signature": "0x0ca30268422f348179360c303e89e6ed3023612c5ead9d430172870910cfb17563db07eb98d3b170ea65a5168d387e55e069406ee07802a019b4bbc519e7680f1b",
    "signer": "0x4cFd9635b74edd6514FBb781B9C920be24A36AfA",
    "userId": "376830101"
  }
}