{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "633359681",
    "entityType": "User",
    "nonce": "0x1ab0ffd80b7d334de192e08e83943f928cf036fcc065a3f363f1e93ad4332cd7",
    "signature": "0xbdb3a4a5035c980539e081f174d76d5cc3f44979e11b6c8f7c7ce124632594182ea727318b0db08a56992704eca652abec4216524deeefa30e075007fff753ab1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}