{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136139",
    "entityType": "User",
    "nonce": "0x2e0dcfa862f0225b1e369f4fb2862e6c412cd1c54cfa7a4b76a1785290da2567",
    "signature": "0x4a96c4d532496755e3d20b6c56ec337d0413afc34fb2d9c7c90cb788ba0e3b043530cb286c85752251c5b2b75bea6770949c0a30cb0a37e7daba223823f599261c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}