{
  "manageEntity": {
    "action": "Create",
    "entityId": "260659112",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":260659112,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Country\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Faded Embers\",\"duration\":308,\"audio_upload_id\":\"eb53bf88dcb19190ae7c0c1091ff6b22\",\"track_cid\":\"baeaaaiqseayob72eth7ptlvphmzm2ftiqfqmkuqox4egfgxgrkk3ngmbcbqfg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedfpxdcv3urzt2vqv3dpcsfykfnfw36u23zjsoufj544qwg23auo2\",\"orig_filename\":\"Faded Embers.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":150,\"is_custom_bpm\":false,\"musical_key\":\"A flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":562613548,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseb46vzkmpv6zhsuktiihale5ypidg4wovzypofm7sptw5frludhw2\"}}",
    "nonce": "0xcb8df6ed1335c392444bdd635f612f34ebc2eb1140f0f766b00dff30ad0efdba",
    "signature": "0x307ee8c63f9be59062160fe17782daa4b66fc12e3c72aba050b4c2aa645f33c523f27434e61bb5cb1229aca7809c91bc26b92043cd62aa2e6cd126c4966557861b",
    "signer": "0x4aa5a207F36Ff1E12cbEfB5ef08bb83F8bF21F68",
    "userId": "562613548"
  }
}