{
  "manageEntity": {
    "action": "Create",
    "entityId": "1410198418",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"title\":\"NICE KEED - WE ARE YOUR FRIENDS.wav\",\"is_stream_gated\":false,\"is_unlisted\":false,\"field_visibility\":{\"genre\":true,\"mood\":true,\"tags\":true,\"share\":true,\"play_count\":true},\"is_downloadable\":true,\"stem_of\":{\"category\":\"OTHER\",\"parent_track_id\":201233894},\"owner_id\":43754840,\"track_cid\":\"baeaaaiqseb34u3gfrlvhanhpy6g47lh2kfj6mivwrme5nke6xhmt5bvfg2htw\",\"orig_file_cid\":\"baeaaaiqsec3twwafpyw37rb724egzcxsmcicx34jybkqvbijdtwcaauxnz2he\",\"orig_filename\":\"NICE KEED - WE ARE YOUR FRIENDS.wav\",\"audio_upload_id\":\"2d356703006fe0bc3de2a2957dad5b0c\",\"duration\":278,\"bpm\":156,\"musical_key\":\"A minor\",\"audio_analysis_error_count\":0}}",
    "nonce": "0x363dc858355b1dfe4640066b7ddbb5d62f83a5360a55d8c9c8c22dca6674d474",
    "signature": "0x10f32fd2482e9361aac1ae150459eb3671b6f8b3dd8464aad3894ff8a463edd57cba0bf7faa9cc8f404cc2acd14b7624c33d53a2155e9c60c2f1b9f55a0b56791c",
    "signer": "0x6409f2D99228Fee0405Ccf5572802befaCd890f2",
    "userId": "43754840"
  }
}