{
  "manageEntity": {
    "action": "Update",
    "entityId": "85928258",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7276cfc6e466200025dc46d03721f7ebe60aab4fcba3a576b4f3030f36c98545",
    "signature": "0x8121ee272a23b5281cf9a45def7f911d6122dba1fd8e83e29ccf412d933ae54535c77d411fb468208d30aeefb7f087bc87457b6be22f19f3fac594b2c68a5a941b",
    "signer": "0x0570674e97DE2560cb7c94240BAe25BCAA447a9A",
    "userId": "85928258"
  }
}