{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x3a1bdbca5be865c14b20fbbdef1c38dcce57e8516be8f8b138cc4f67cf5058d1",
    "signature": "0x89f1cf723963a431c06b57fed22dbf5c7cebc26edc623efc365c352833fc5a8d0e38a51de959948fb983dcf8e69e36277d911f1fba922ccbb703af113e3943141b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}