{
  "manageEntity": {
    "action": "Create",
    "entityId": "1522583256",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"cover_art_sizes\":\"baeaaaiqsecx4ahaf42v3oozbaixxs2l3kk67bczb6422xi767l7gqks4kcmhq\",\"description\":\"Ultimate Badass\",\"duration\":150,\"genre\":\"Rock\",\"mood\":\"Other\",\"orig_file_cid\":\"baeaaaiqsea2gmhquu74hofkwu6hg3v2nd7zdzxqonk2tqnm6wd4qhu3s2v7u2\",\"orig_filename\":\"02-ultimate-badass.mp3\",\"owner_id\":850116073,\"tags\":\"just-too-bad\",\"title\":\"Ultimate Badass\",\"track_cid\":\"baeaaaiqsedvzmaumtmcjhv2lidymykdga4pj6k43jt6slcxtfestt2i44v2r6\"}}",
    "nonce": "1792309125484341963",
    "signature": "0x61faca1f80800a0add9805a39598e8a6398f9c716a94c5a0732d0bb73fbb17d251364e2b2dafb648ae8746a2e221d6d7655d08401de16376961fd2dadc281c471b",
    "signer": "0x7d853670b15a2150BFfd80b516C26EEd400f695a",
    "userId": "850116073"
  }
}