{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211416595",
    "entityType": "User",
    "nonce": "0x66f589f8f36e3f82b15801568a03a1458f03cc949e5779febb2e3f9b8d6865be",
    "signature": "0xed0d75f54bf969767a7f8cc24b272c2780247eb8a5f754c4697eefd2931a8ad14d8b0cbeb151ed191563f65b0541f6ba38f3362300e3d711ea53155257a796fa1b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}