{
  "manageEntity": {
    "action": "Create",
    "entityId": "193258458",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"cover_art_sizes\":\"baeaaaiqsedkokoztaccyg45i5cgflvfxufb5xmzhrjzksvj234m4bjg2nlozs\",\"description\":\"When the Fog Rolls in\",\"duration\":252,\"genre\":\"Folk\",\"mood\":\"Other\",\"orig_file_cid\":\"baeaaaiqseaio2d6uwzkoytdd2vit7gynrmeinbc3fndpp62eeqz4okruztu5k\",\"orig_filename\":\"07-when-the-fog-rolls-in.mp3\",\"owner_id\":850116073,\"tags\":\"brevos,folk,songs-of-the-grey-sea\",\"title\":\"When the Fog Rolls in\",\"track_cid\":\"baeaaaiqseahcjznfluizfhchoh6t6cq3mspjzcxvveia6wsdhbnhlaro2pfpm\"}}",
    "nonce": "1792425993164264381",
    "signature": "0x2631657be524dc31e2c9c268314e9c9383eb2b0e25085cc4722b450de849ed2b7b1bc81b14b6dd95f39c350de5180861293958b40f1ae33aa9bdd4fd180970471b",
    "signer": "0x7d853670b15a2150BFfd80b516C26EEd400f695a",
    "userId": "850116073"
  }
}