{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x1e6e51a0475e6680c7518bf3ce15a6e83ca262f2920986db65d0f5a9d44cbfdb",
    "signature": "0x12a0dfef1c553e173c035fb27a76a370fc773d45112a87e68f9e5c7d15aab6c30f19a73d1df1f885d7a64792df9367b5ff9119465b92a0691dcc3fc55c84ee401b",
    "signer": "0x8CD1Da8cC9e6579C92F9995eBBAFF64Be49d7a99",
    "userId": "817536815"
  }
}