{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230426",
    "entityType": "User",
    "nonce": "0x35d7480f121d5122fc3e72cc974495965aba8e5de6e9a43b4ab03b6b65f064da",
    "signature": "0x5920c1151ec57e7c1df49c93116cb6ceb191b52f1bfa57f39c549d2a1b924237089577804f99682d65cbff3daf3ee4cd5660adcb7b5d4a9f59c37076bfb6e75f1c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}