{
  "manageEntity": {
    "action": "Update",
    "entityId": "1531486924",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"M2\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqsedve5zlyexna5j32irqzmbmac47ggyhxek5yvgccvucdo4tmirs3o\",\"release_date\":\"2026-02-02T15:54:10.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":1773767615,\"metadata_timestamp\":1773767615,\"track_id\":2141587422},{\"timestamp\":1773767609,\"metadata_timestamp\":1773767609,\"track_id\":673213567},{\"timestamp\":1778259896,\"metadata_timestamp\":1778259895,\"track_id\":340183583},{\"timestamp\":0,\"metadata_timestamp\":1778587797,\"track_id\":947087973}]}}",
    "nonce": "0xd09edb88d97661ac5dbd7583ffd80188ead07680e5508b6b0abca5286acc4f3a",
    "signature": "0xe509592be95819747191966b9991ea9b5b2f7fdac28d1fa326ffa0e2fc1a9fa3439b891b2f99565ec059cc8b7beeaf04276de4ae7b66c3cd6e9fc00040a754ce1b",
    "signer": "0x77dc0D687FdCf6769B72c6e7a907f005c300B0dd",
    "userId": "87862265"
  }
}