{
  "manageEntity": {
    "action": "Create",
    "entityId": "2123426200",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2123426200,\"description\":\"\",\"playlist_name\":\"Digital Book Burning\",\"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\":1777063286,\"metadata_timestamp\":1777063286,\"track_id\":1093702147}]}}",
    "nonce": "0x4599e642358ed401b26dcb1b83d206b024059e9ba94bf487f965b98f600c5fde",
    "signature": "0x25e1c57e0971dfb34a9d43c370a6f3a5e6e0ffe0f9ca6b244ae088ee8cac1bc5372829ac6237a04de930fc4b73d20ec9f7e0b4adf0e6ec32d8696d58c88623ac1c",
    "signer": "0x2378853575255B57A0C1776ac473Cc093cB9F0A2",
    "userId": "520184526"
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}