{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "287127",
    "entityType": "User",
    "nonce": "0xb529eff0c194d47c81058dd0143544de5bcb9712380265f41df43a58fc6ff8f2",
    "signature": "0xd25c183e366d6b8b2780db7619b997bcdd7af678f22e58ca660f94230bcf776b3ac7b83fb44639b96f37a5305bba4ddffca7343d7ea9c15597fa00d5c1245f741c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}