{
  "manageEntity": {
    "action": "Create",
    "entityId": "928177053",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"title\":\"AB_AP_Fantastic_115_Shaker_Loop_Buziwoo_1.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\":\"PERCUSSION\",\"parent_track_id\":878678075},\"owner_id\":846912,\"track_cid\":\"baeaaaiqseavu464cnpda4hwlb7ucqgfezruwapx52wwnvcz7fqyncnonfaomo\",\"orig_file_cid\":\"baeaaaiqsecsdknr4n2i3an2shm3izxresgbwdhm6hu55vr4jydg3zwitqowqi\",\"orig_filename\":\"AB_AP_Fantastic_115_Shaker_Loop_Buziwoo_1.wav\",\"audio_upload_id\":\"6a8b8841602963e4bc8093948ed310e1\",\"duration\":230,\"bpm\":110,\"musical_key\":\"B major\",\"audio_analysis_error_count\":0}}",
    "nonce": "0x3523f29ec2758394fbf37c1e6f4acac795f550d5375e177be71ea6913d5ad4a0",
    "signature": "0xed6230f4b2c7265138312f59475eda83f764e4b2b1ce0d4419ce3c16a264800f11efa40cb5d15ca8b10e2d7e34df97c9d7e9386ba49385488236162586f166e61b",
    "signer": "0x9e14792078c024aD6C58AFF9CEF7bed3B81B8Ce2",
    "userId": "846912"
  }
}