{
  "manageEntity": {
    "action": "Update",
    "entityId": "981824750",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7frhpazeofvcwincagccrsydb7akhzjq5k5j4vrrbojbjb2cbmta\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":112061281},{\"type\":\"playlist\",\"playlist_id\":1389477278},{\"type\":\"playlist\",\"playlist_id\":133231}]}}}",
    "nonce": "0x5cbb18625c0b85771b2e5fd61f2b120a9d8233017eecc8cd6bc46d39f5fefccb",
    "signature": "0xfebf179e5ab3a768aa3f02ecc74316ce3b789661981d4996a6d3343d7ae082697bb5c192f56e633af9f28dc723102d52a633a8f27c0cb2391303486978988d111b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}