{
  "manageEntity": {
    "action": "Create",
    "entityId": "942301370",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":942301370,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"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\":[]}}",
    "nonce": "0x22e7b708dd06e60cb997b10ed18ce7072d78252b8c1986edeebdb877ed2ba174",
    "signature": "0x41626d804f958192e2c49d18718407ad53d64101e55a6b0004222b8ae71428b4580eb79a20206a0598fdc1802ff8bb4224fddcdfcb600ff88c539db5b4c09bde1c",
    "signer": "0xB25CB758Ec514d9c65e6AcdAFCbd9c94Ee77A1c5",
    "userId": "869214715"
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}