{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173905",
    "entityType": "User",
    "nonce": "0x58ef02e9a8b9f0794346aa716cb7f0c310b1790d7ffe866aaf2eb1b5a02147ee",
    "signature": "0xbdfa8b0b212e9aca879327c4e954ed96bde49cbae46224fc74a82cb98d6cca1c57ca9e484112f67626022f2a76352796692b575b16722fd7cd56751018da46361b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}