{
  "manageEntity": {
    "action": "Update",
    "entityId": "851561846",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"MK7\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"\",\"release_date\":\"2026-03-30T22:52:09.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x658512ef0934c1fc735f35a2d5bdc6eecb50e1a8a44da940a5026194cca4277a",
    "signature": "0xfbb05fce1d03827f54240d864edcdef1d3b7f2ab56c1d2e807ca8c5038ef990842c836347373ba2ec2e16a16f3700c79a99872b3e5fb3290ea510c94c7175c431c",
    "signer": "0x4c4e4BD78139bf2468BE325BEBef2683F240Afe5",
    "userId": "707163815"
  }
}