{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44235",
    "entityType": "User",
    "nonce": "0x1cc77eab1546e83f9abdf0bfec126b83dcc5f7fe1c0af9eef52d384a1ceb15e9",
    "signature": "0x7b7159de92103fe94a8a0ce6fb5536eec884f9df6ce12961afb26a8f06b13d9951a08023857e8c4206248f191023f866474de2d6faebe055b988d54486efab991b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}