{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190698",
    "entityType": "User",
    "nonce": "0x6417f299984bede91010203eb421498a5d6b8c5e6876c699e21108294c6115cd",
    "signature": "0xd2f2a91f4e58c6d96732e3e02a65267432f2e4faa397b60165dfb06569dbc22960fbfc96848157e2983a0e1c3d987bb287975e706ceb6a648e1366f7e1cf27281c",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}