{
  "manageEntity": {
    "action": "Create",
    "entityId": "619536113",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"title\":\"Members 0003hz\",\"genre\":\"Electronic\",\"mood\":null,\"tags\":null,\"description\":null,\"duration\":3,\"track_cid\":\"baeaaaiqsea4v635emuwmc3wwsb3rds7nzq2qfryxycqh64polmi5qju5ddfjw\",\"orig_file_cid\":\"baeaaaiqsebrh45ene644tfyqbimaw4xmr6kbfi2kuk3zn3unjtzuwgdjz7nie\",\"cover_art_sizes\":\"baeaaaiqseahdllq5ffmqh54ijh5jdnj53ko3bcnskior6snrc7bi7xabl3yck\",\"is_unlisted\":true,\"is_stream_gated\":false,\"is_download_gated\":false,\"owner_id\":319129}}",
    "nonce": "0x0aa99c9b7b70652e8dccf02887e0cc79fb2e379035b66ccfbb0631b9aa61f90c",
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    "signer": "0xE929d5b0D27781f83f0b5A8e37b2652DBe76579B",
    "userId": "319129"
  }
}