{
  "manageEntity": {
    "action": "Update",
    "entityId": "985257741",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-05-09T18:41:35.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x185389499c6978ef3b51b11b58f2c856b16452895e8f50f06d89a6c224d59e8e",
    "signature": "0x8427e2a0642efa3a9ebd5c3e9e09f796587d8f72956b9817b4601602f2cb8c205215d30e8a1779a34c552ac916e7b726cd0f276b3bed3e0c2288de59745100721b",
    "signer": "0x6B3D7Fd550C27dA78486438dbA7a86A47Df145Ed",
    "userId": "324002328"
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}