{
  "manageEntity": {
    "action": "Update",
    "entityId": "354908",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2jbupwdvgusoojok4olutc6fcbpvfkp4ezbb4wsnekal5ayxog2a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1288494577},{\"type\":\"playlist\",\"playlist_id\":1936117932},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":66758},{\"type\":\"playlist\",\"playlist_id\":139335},{\"type\":\"playlist\",\"playlist_id\":140294347},{\"type\":\"playlist\",\"playlist_id\":1428},{\"type\":\"playlist\",\"playlist_id\":1945398524}]}}}",
    "nonce": "0xb42812995ff35bf9389c5a4a8dc9c5a9000b9e70195cf08fa092f94f6219e4d0",
    "signature": "0xd08f73c9ce331e6b74670a7c11ccd54fe107339f4ff5d2c11267876e892d989c061aa92717a7261bae2166d86f2e6d6e4322b28c6ba8b230bfec1e437e6ad7f91b",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}