{
  "manageEntity": {
    "action": "Create",
    "entityId": "729032720",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"cover_art_sizes\":\"baeaaaiqsedkokoztaccyg45i5cgflvfxufb5xmzhrjzksvj234m4bjg2nlozs\",\"description\":\"The Cliffs of Memory\",\"duration\":323,\"genre\":\"Folk\",\"mood\":\"Other\",\"orig_file_cid\":\"baeaaaiqsea2l5hys4imkhoyviejec52yqdjw5nagse62wrhollqckwm3tqf4a\",\"orig_filename\":\"06-the-cliffs-of-memory.mp3\",\"owner_id\":850116073,\"tags\":\"brevos,folk,songs-of-the-grey-sea\",\"title\":\"The Cliffs of Memory\",\"track_cid\":\"baeaaaiqseacawnjazumdqnjkyxzmv3bnd4kaokofehyojz63tkhlxkbh6ha2s\"}}",
    "nonce": "1792425962497225431",
    "signature": "0x6bc4bd135d4de81a32479704a42b0c0e182c518f6d397e68be369d10c6d759141653ba86228a85c90e72329fd427b1f0b9ca8abbdd7fbde054bc1739a509b2fa1c",
    "signer": "0x7d853670b15a2150BFfd80b516C26EEd400f695a",
    "userId": "850116073"
  }
}