{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28826",
    "entityType": "User",
    "nonce": "0xaea696c9dbeae69449aad66f5fe00132396d1d6f09369d0410f07ef945dff551",
    "signature": "0x0ba49e7a7917f5ed5d4e676c4ed9e963a3088aa24c401ed32a4fd760efe085ad12071775e4aa6a83fc4327abb46ebb56dd7b19fca7abdd74c86667ec0a2c8ebd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}