{
  "manageEntity": {
    "action": "Update",
    "entityId": "195614225",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"Test\",\"is_private\":false,\"playlist_image_sizes_multihash\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x78b8feecc3a4f43eafa044eb28f4f15e41d3f2ae108750719fb7e65410e024c7",
    "signature": "0xca8adfb1c699a46c78e3af07d72d0f18fc849534fa3168ee231e9cdc2fdcd30864236dd6a002b927d96ee428be5d2dd4aa9f5c9b94f3957848ab84ce2e8545811c",
    "signer": "0x61F949f996483EB7EAf30b9bDA9010A86bAe9BeF",
    "userId": "733158140"
  }
}