{
  "manageEntity": {
    "action": "Update",
    "entityId": "549983695",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxdchnaewbljj2rbifuzsrymuabun32wf32pphpc5zk4ldgqtgh7a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":2075637314},{\"type\":\"playlist\",\"playlist_id\":391040290},{\"type\":\"playlist\",\"playlist_id\":1202752825},{\"type\":\"playlist\",\"playlist_id\":1652396809},{\"type\":\"playlist\",\"playlist_id\":1783964439},{\"type\":\"playlist\",\"playlist_id\":896073774}]}}}",
    "nonce": "0xa6fa3afa91d6bf25180ffba229a904376eb6d6f905109e16febd1e26688e2169",
    "signature": "0x8fccc65519b7c47554af9914914bad588f5165bf497e79937557ebd5d53d4bd65ef5d04c2866ebed7112f31f02bb560c75b9e4c79ea3ac1f7599368a7ca3cd2e1b",
    "signer": "0x5877F7e1aB261CEa57f1734519117Ed49d50c8c3",
    "userId": "549983695"
  }
}