{
  "manageEntity": {
    "action": "Create",
    "entityId": "331631487",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":331631487,\"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": "0x605b2d0c64310c306fea05c439d91d1fedf4160e8d9119c51d524806192e39c7",
    "signature": "0x2377cbff8756cb7463bece1e1cdd1d308d54ed4c8250ee3b1ae2c1de155ca4bc0c1ff6105a2ed678fec3ab494c06fe95a955ca7ab207e6b937c08446036a3c3e1b",
    "signer": "0xdAe27B20BF3639989Bd99E76811FEF26BEa4Cc49",
    "userId": "176556"
  }
}