{
  "manageEntity": {
    "action": "Update",
    "entityId": "106269879",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x575e04ab5d9b5dbd78741a7e2d08d603f6cdf54414e47e719323eefe53c7bcdb",
    "signature": "0xdcf07354a1f0bea575db0046159fea4094e8e36d8090efe58fcdb00466eb6ce510d28a8952a0d07bf22f1241ab78e32518d68f62992dd27641b6b7cd56b05e111b",
    "signer": "0xD02168457d52060200662e77ACE4B88efbd8741c",
    "userId": "106269879"
  }
}