{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33661",
    "entityType": "User",
    "nonce": "0x77b4e3ec2bd481b8a3dcec4601fb791f10196b4b4f93c9033794d0c2fe49553b",
    "signature": "0x2a1cbd13c1430fc971935a9603f67ba87f38321cfb45ef98bb340d666762bf9332f9bd663e685bd2d59426ca8243e58f8759614cac673f1608c69425aa8d885f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}