{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211416595",
    "entityType": "User",
    "nonce": "0xb4c077602d974cc6d87904a17d3fd3a048405bd0cb257ea884854a39b3c3ed0f",
    "signature": "0xb8882cda87102ecebad94062ac95d7e67388e9ac186f6ad6a0ba4271351b5f44555b7650401ac69fb007b9deb5f923075333baa7e001e6c21ad676d46566b36d1b",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}