{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xcbab14748db5290f3b21783cb01ae839be7f200818d20562cef051ab0713450d",
    "signature": "0xddf4546ac67138a14398994008ab85d814f94f86d46880fb2ba855988597bfc21127ab0e7725254687891335be08757433d44aa812c7190a44ce369315b70fc71b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}