{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037367",
    "entityType": "User",
    "nonce": "0x696515c8de97522416b925eab5377c141bac3ea9fd51ed351e2b756d262948aa",
    "signature": "0x82732f2d56a62a8fce17d713e4f1cf629a3caf1022df2cb75c5a7bf3c447063242ed10b11d644b6f0235fe66eb2899c2752d23f0c60c32e46c285b8f3a240ff41c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}