{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "808434826",
    "entityType": "User",
    "nonce": "0xcffeab4cc168a02d038d8679a48c5c20d2f7db703b5fabd620bdad1d2cdb2c98",
    "signature": "0xf16caf24b792160855df8c6956ae97da875ea962aa1e7efd3c467688052893162136a9fe74fd2e3fb70e28e6e5b07c8456af1cd409ec4b8d1e58505421274d5b1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}