{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108348",
    "entityType": "User",
    "nonce": "0x6179fcadf5b6a77419f79d07b52934401b7b74876716e89e79f53c14a5d92621",
    "signature": "0x187cd9ec992006eda2540e8db7f844064febe1f797662723292f9ae04ededece7a05dd1b4355ba2b18ae1e217e35d6abb6389fc1f22093a8716fd89000a552401c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}