{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326101",
    "entityType": "User",
    "nonce": "0x388c36b45252fc458e844351a1c3be3a3e5d51105c8b9cbd02f195c8a711b30f",
    "signature": "0x4e0e6519b364bb88387e8551ddcc5227c265989a72e8b1aa90e7ee187e5c683b576f4c33fe51537a455432fa7d5e5bdf7393e13f75f0f7e622123d159fb5431b1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}