{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349465304",
    "entityType": "User",
    "nonce": "0xc080d2e9187f8aca1e759a6a665018aa7e1376e186adb85d8a5a4a37ca382afd",
    "signature": "0x8223190de36c8c8af43847df814be974bea58581ae6468a151c9dafc345534ce1e27ba266470d83eba5cb9865f3696c7f18185c3bceb2cc888e212bd4d3c3ebe1b",
    "signer": "0xe6E712784AE218d79b91dC3A03A92FF0cFbd5a17",
    "userId": "278611500"
  }
}