{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68704",
    "entityType": "User",
    "nonce": "0x3d84225594ee734beeeadae497c8a8891276fd3226795cb61f4e9ce21908b47b",
    "signature": "0x863c4840109366bd00b54e9c155a7e6cbfacdc349463b1a39c92045c36ce11085f8230596bf99f9d97fc41d386601e9d697bf39aaaf2cd8acc479a623b147ac11b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}