{
  "manageEntity": {
    "action": "Create",
    "entityId": "526425122",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":526425122,\"description\":\"\",\"playlist_name\":\"About Me\",\"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\":[{\"timestamp\":1774712041,\"metadata_timestamp\":1774712041,\"track_id\":2022964431}]}}",
    "nonce": "0xedd9959843306e34cbfd4409dba27cc8f351147cd53707c764037a5e9a295ca0",
    "signature": "0xb11be7904e0a73b32a850f1916b31e617692049e133b85e433dcf8461ff2b59a7ae168cacfa4b62569c0dd57f57256113a128601742f05237274e61cf9d5c6301b",
    "signer": "0x991551b6644915E25B44A05415b0a3a2a3408DCC",
    "userId": "199068976"
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}