{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x1ac51bd1aa633d64c3139346030ac3e782bdf89b214aa779bbcf9af01594e5bb",
    "signature": "0xec05110a4f6ca58a17edf525d78a125aa0607fe74d23aac077cac15369c774261f7469f7c29c4ceef6c83e548cb1177ce6268dfa88543013c14d60e24d16b6281b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}