{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "566902705",
    "entityType": "User",
    "nonce": "0xdf060f5817dde860b768a5c7489a9b579f589d45716393a5ea0684c204146455",
    "signature": "0xec1d5b9ca9a387ade93cb6d3e4b5c1db67df6299a2e58c39c50a9f6d2d8d6b0e56a23018e963deb8d7d22773d0578f0aa11d787d6bfdf9da7f4c7e5c89618c811b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}