{
  "manageEntity": {
    "action": "Update",
    "entityId": "567685296",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9c6dc5581b5491ab234689db4849ac33d5df28fb608ec24ec3f965e579caa119",
    "signature": "0xa41d3b38da42209aac64b7f8249d17d9222641df321af28a2cbccf3a815ec337719fa59997d2defab7a32de8e2de424937e753ba6e7e9982307af27e83ed26f31c",
    "signer": "0x84206eF8bAD3F78F1B7914C57F2a4Af1fecd784E",
    "userId": "567685296"
  }
}