{
  "manageEntity": {
    "action": "Update",
    "entityId": "1641682809",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"owner_id\":415164068,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Electronic\",\"stream_conditions\":null,\"download_conditions\":null,\"track_cid\":\"\",\"preview_cid\":\"\",\"orig_file_cid\":\"\",\"is_downloadable\":true,\"ddex_app\":\"\"}}",
    "nonce": "0xcb7a8b015380278a1cb1ac1dcb5bc69abee89ec3073c38274aa792a5140e8d8c",
    "signature": "0x5fccc3c5bd3e098b6e83a489c7b2b3f438a3df1379813b6cf9e9ef922a03441a2f36b450d5375fc1b433b1e460397e8060bf6ca7ea03fca10ad25f6e7f173b5f1c",
    "signer": "0xA1F1FB7ED8D0e44f73700a9C4a569A0E1D852a7a",
    "userId": "415164068"
  }
}