{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396603",
    "entityType": "User",
    "nonce": "0xc4339c0aa0bfe5bf8960627ea3532cb2d41be77839bd8e6e70efc0e99e434969",
    "signature": "0x068bce55d1316ae7aecc6955677c07cdd819c68ba7d83ca71f48faf0179f42197701ff79d9fafab5656bb5f5492cd683ed4e8ea0bd4212d81607be58e1ff5f6e1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}