{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317757",
    "entityType": "User",
    "nonce": "0xdc27a48b5a7d1a641f55f76dc7820f72d68e1f2c95e98c96fb12c0164567e87c",
    "signature": "0xa31228dc78b0a8c1f63ed46d3fb7f3c202ec026db5e27085e7b728bb420f81f4454181bf5347534abca9cee510fbd17ec3e8facc815a87baef3868f8425373b11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}