{
  "manageEntity": {
    "action": "Update",
    "entityId": "201996771",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqgpk4jvem4lrrofjeg7wf5esbb67q564hzs7vdt4wu3vfzgopdwq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":307500135},{\"type\":\"playlist\",\"playlist_id\":687665635},{\"type\":\"playlist\",\"playlist_id\":1030097955},{\"type\":\"playlist\",\"playlist_id\":1624144911}]}}}",
    "nonce": "0x7953127f2c3b796152334878795027119db7c43cd1f2c550554452f80f9eebbf",
    "signature": "0xee8e32e10c59d78c32b15f858565efc1ad7a0b1895bef4a4323d8d5f4a1214b873a21d869afe670dbe6b230624bb0c9cb64c6d6f7d131b3fcc459b6d460c8ea71c",
    "signer": "0xd1CdfC852326b8427841805E9aA02D39705c750c",
    "userId": "201996771"
  }
}