{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0x091606df2ea54979ab52c6368fa302012f4fdaadddea35b0b8500b172ad869a8",
    "signature": "0xf654755f6d58811d8099b6d47fdb3b1aa0d18a25d0a0c346687ef7fbb410e5f61648e3801fd7b8b2098260724246e8e269ac674f40b6500b25bde515bc31c07b1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}