{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141136",
    "entityType": "User",
    "nonce": "0xcc88f872b5cbbbd1ddd2105e99dfa45aeb2877f8fc6d67264859e768b879fc68",
    "signature": "0xcb013fe37f4000b03873ed73e4d931ed02c4829f4dc8915410309a93400761a87a90e063bb390bbdb499dc7bb765b1e76486853c38a89af73f6191ad322148801c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}