{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224685891",
    "entityType": "User",
    "nonce": "0xb56bd213008c231aee17ebec69532492c6814f13a560f7e2bf344fb8758636d8",
    "signature": "0x5e629bf4f209eeef957d5df0fda44e68c241799a44204650ad3eb3eeb555f4821f1f4262624a2bbaa3e4965e06542a6d595e49db63045e55fcaa46d1b32124791c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}