{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7786",
    "entityType": "User",
    "nonce": "0xe3054704f8e65673df44f7ca1464d403349936f80ac8bb8d1bf0fa992c00a5b4",
    "signature": "0xb98a1235f0c197ba08cd740550de7523ceb1659dea6f88a55b7b8f1542dece5b2f363a49b5bc316ed81025621732bd73513a0ecd9e1138ee49a33740a714ddcc1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}