{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76241",
    "entityType": "User",
    "nonce": "0x68f1dafba54183eb34e1fac969b464628acf3581383e53e7f89af837da84f33f",
    "signature": "0x04fe25ba26c33a4136ce275d43b3e56e381f13de21219ab87b0e9dd08e466b1517d6e07cf529175234b0ee209400871870f1da0306112453049e6bcf297490181b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}