{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63631",
    "entityType": "User",
    "nonce": "0x21212e423352512a8461867abd0e0d4f307ca915dada3b7741b799234fea5b22",
    "signature": "0x35053fcab45e861f39881fc2483e4c34f5848d7d68c719972d6ac547c3c8053444c24de8940dd022b6058b8324f8d78fbf4a83ca41314b3641e088a490ace8201b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}