{
  "manageEntity": {
    "action": "Update",
    "entityId": "149256165",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"SHMALI\",\"is_private\":true,\"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": "0x1e8076342ca96c7f6d504914974b90e2162b0e6e1deea57e414ebe5c9b36fb3f",
    "signature": "0xa0a061a797e0ac98b163cbe967a32b8b2bbfa2b347fd8a7d23c07d74167aaad5290ea976126867975857913b80c20619a4f2cb79e3d15b3cd5db652539eac0bf1b",
    "signer": "0xd14A5CCF48f7bcDef7c2224fc03111185A2aa6B0",
    "userId": "179469744"
  }
}