{
  "manageEntity": {
    "action": "Create",
    "entityId": "149324705",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":149324705,\"description\":\"\",\"playlist_name\":\"Wish You Were Here - Pink Floyd (Zunapalooza cover)\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":1783600773,\"metadata_timestamp\":1783600773,\"track_id\":458646}]}}",
    "nonce": "0x3213d54437acb66e064fa1bfe8d39be0abf8a6dddfef7d90f47267ca93d68738",
    "signature": "0x8c0ad47a1cb117e6be668a4c579d3f01ca78657de2697f12a153b9212364b68812725f718b2d85b9885432a88894c6c991b9238820d20c45cab310ce8d96abe21c",
    "signer": "0x3BB23849430ADEf1350487E3011D5Bee89331743",
    "userId": "469579468"
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}