{
  "manageEntity": {
    "action": "Create",
    "entityId": "526054465",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":526054465,\"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": "0x5ecc6fde48964cedd0c31119134063c1a50552a4549bc640dfa3ebb9289282aa",
    "signature": "0x89c294a8dd21a6271e48458484c21e017fc79e08f1d1814d3361c67d0767c2662fb971044cd6ce35466861e388784e37c3d7d8515d7a82743007421a2ec4e3161b",
    "signer": "0xC1c390791Cd8584Bc0D056AdDe5c3D747aA694d3",
    "userId": "395219571"
  }
}