{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241269",
    "entityType": "User",
    "nonce": "0x3d9d38ffa11806726c8f1a2403fd3858ebab0ba310cae94664df8a8d7c821f69",
    "signature": "0x78b5b4b1f7d20fdd9a93fe78cbea1259899d8358357e9144775cf60b6bd8ba1f1b664094700dfa887be42e58f5d943e03bc303d22067a495f45c00d4198899371c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}