{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb2cceb506a7b6c595dcc55e320ddb91bfac6791cfaae7cba27cf5830f9218f9f",
    "signature": "0xbc3f297d03bd6669dd4cbf9512cb2416604d0c6b5c97ba42c37d926b255d6d01711fbd2f4c1c1e001f65c71b106110da9f3cef7e54acb723e2e9e399922b125d1c",
    "signer": "0xfd06f079425033753440B59A373A5D932A13dd63",
    "userId": "969514133"
  }
}