{
  "manageEntity": {
    "action": "Update",
    "entityId": "550138957",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6ufvptuef7mklyf4mwstz2x7tdlkq6e2bpdb52ucjojnplnwhk6q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2114341531},{\"type\":\"playlist\",\"playlist_id\":1872571100},{\"type\":\"playlist\",\"playlist_id\":1329140169},{\"type\":\"playlist\",\"playlist_id\":867702447},{\"type\":\"playlist\",\"playlist_id\":433705918},{\"type\":\"playlist\",\"playlist_id\":1808869503},{\"type\":\"playlist\",\"playlist_id\":878910238},{\"type\":\"playlist\",\"playlist_id\":726773545},{\"type\":\"playlist\",\"playlist_id\":10196904}]}}}",
    "nonce": "0xfeab0c5d69501997226d2129efaa872cafaa5f20deabe48ad78fd0a723270da8",
    "signature": "0xcba5e7969f769b34679a23a0530bb7b3c86e3afdd2f7d5813a13daf6f2da942c16aa3cbb58eefec2b5df2bc48d62a124ee59d631527868be8cfe8dbe2e2530b01b",
    "signer": "0x89de1a45782C6F6cf99058C1C0104bCC44c2f489",
    "userId": "550138957"
  }
}