{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10336",
    "entityType": "User",
    "nonce": "0x64291fa19b4eea96d75513b44d6ac0da2dfc3559e0e3d17d2f151294909a3cf0",
    "signature": "0xd2332ad87b5f9acbdb0c24a4d59d28a25d70935a9ffbefa60e0f6c6d503147895711f38d3540fed00389c0144245e9b9ad743a2b3b1f188734fc2f1aaeaf0c521c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}