{
  "manageEntity": {
    "action": "Update",
    "entityId": "1062347977",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"My Playlist 256\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsea7xlvg3tzvvnp6fdjliae7s746d553h62fmkeq2rbvo2vlubqzfw\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1780351713,\"track_id\":1719400650},{\"timestamp\":0,\"metadata_timestamp\":1780351714,\"track_id\":1894740796}]}}",
    "nonce": "0x5fce3097bf1d5838e3a6c852a64d7aa28fa9388cd6c68efae1349673feb5a5d7",
    "signature": "0x98a4d246dcb7627184e2466e51241c811cf3aaa01c65a98cc3f2c621bf615d685037a83f2929164a2ea0dc7cd315317b1cf8715b85ac423bb55a221ece6537451c",
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    "userId": "428362958"
  }
}