{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0x9fcdd7439615c829919fa9f11304f5730dca3e964dd8c65673e76f2ca06d04f9",
    "signature": "0xee2bf0622af31b2fa4044afa889cb1a90feb47091632dc6fa3031b2c69edd4f474b28fced37edb2b66a1eeeff416821488414a7b933ea985fd454911089f6c041b",
    "signer": "0x257c9f4A9563d6A4a2bF3be7Da1738e167fcF295",
    "userId": "301719964"
  }
}