{
  "manageEntity": {
    "action": "Update",
    "entityId": "269685644",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7a46zdebd3xu5nqyjuy6ydptryhdwcxz5nvukfcfpxe4fy77qx6a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2009947740},{\"type\":\"playlist\",\"playlist_id\":2123804321}]}}}",
    "nonce": "0x8aa76327d0226ab46d01e8f92a5838177bdbe1dcefc2dce5b188f445225e0d0b",
    "signature": "0xf9ba303fb85f82d638bc58f5a59ea0396ba68dd86f53e816a5f623b30c39c36a034637036efe8b6ef93f382f9a6d433d6a2f048d106baa552e0476f80c7b33c21b",
    "signer": "0x8c177d8e36C945fa5BB045974cAC50863a84fa7e",
    "userId": "269685644"
  }
}