{
  "manageEntity": {
    "action": "Update",
    "entityId": "1969901085",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"DATquiet\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsea6pvsjmskerhwy724syfeewt72yxqkhuspts2mlvdg6fi3falxg4\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x1aa13502454120701c7351a17c3cb07224f468dd54ff9aca0466eefcd2de19d4",
    "signature": "0xe1d1a3cb6110b98fba55b4dd4cb603658bea483b7f3e386273ec9edf452fccdf309b17270c6eb1e0f8f607ea7b598b411cb3c5d761b261da11eb2be108986fbc1c",
    "signer": "0x0830a9051cF7DE5F111bfabf9634B8376FCDBb59",
    "userId": "589044776"
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}