{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x2a4ae93199dad46028a8bd833815c32687af9f049e0c92260af7b352da53ed50",
    "signature": "0x14d96eede8bc96b0976312b0d911b6929abf926906c3cb5f45ef6d2afcd6222973b019d2d3281da787de5547f9015214f1c77907f93ccb2752c85bfe783a9f521b",
    "signer": "0xaAB075f1D622286f16eAf63179aa4157DafB1cDf",
    "userId": "850627398"
  }
}