{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "758745",
    "entityType": "User",
    "nonce": "0x2ad57003e519ba0dcc2c0cd4c1c8e95346ae8f3f63a5b1d389cc8c5469cd10c2",
    "signature": "0x22dbc6471646e2f3eb031c1ffec3e6d04c1cf74ab9425f61a79a1c3382aaa0bd75604753d7ffb16a25d8d0e16e3f91a255c5afc9fc771363823f95bc7ac481e21b",
    "signer": "0x799Fa81223D300f82003F7f458aBE23eb493474e",
    "userId": "455410181"
  }
}