{
  "manageEntity": {
    "action": "Update",
    "entityId": "417417032",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3g5qysd6njebftlb4pipmwhxf4g4gcbxhrykaw2c4cldsr23olxq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1724392361},{\"type\":\"playlist\",\"playlist_id\":1762932402},{\"type\":\"playlist\",\"playlist_id\":786427956}]}}}",
    "nonce": "0x6b25fb212b6a8cc31cc3a2a7335aa3cf1367bed41e9e1ee8892dfc768a80100a",
    "signature": "0x7db05d048c82068a36996ca2082270378721d18bad300182353dfe227839f1191cb9872e03ec6a5747238d3c56b8ada22ffa018bb1c3893e2af37301e0daacc61b",
    "signer": "0xaC2dE7715e3c8cF361cD6EC75fb75b2EBd90cFda",
    "userId": "417417032"
  }
}