{
  "manageEntity": {
    "action": "Create",
    "entityId": "849513247",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":849513247,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Sentimental\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"excavationpro,underground,radio,new\",\"title\":\"Muscle You Build\",\"duration\":163,\"audio_upload_id\":\"5c04dd7d994a59a6778aaf4063148c64\",\"track_cid\":\"baeaaaiqsebjsvc4bpuyyqf6m2isiedoo5ygu3shwdkvfyjepdc6seb747225i\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedpi6diyg6zogahojkhgfpegvshg544xqyxvjaanj4tmcitjwrks6\",\"orig_filename\":\"Muscle You Build.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":311257477,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecz4w2yfhm6aybalfoiphlgl56dscbbyevl7rre5svpjqqluzw5fk\"}}",
    "nonce": "0xc27f802d776f8f90cdf62e5f7c94f949d01ab1f6588c91d20e4b266e03047bb1",
    "signature": "0x3c09b0714d78be11d3bbc1c8a5c4b713f776115975baf26bfae2a31787094634563bc943a3d4a212e36b2fae56492b5caad48c1d2de95938b244680a690b75921b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}