{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "365728825",
    "entityType": "User",
    "nonce": "0x93f10f652142c197d5282904cb2909d434ef60f2185dc3aaebc2630717e91587",
    "signature": "0xc49df3293e82afe60783d8e89c3ac54abd9039faa0f5364d9c88eee88bde01012551fdb92b6f859d084833a8605c71d10233de6de9002057671fefc3a397d7df1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}