{
  "manageEntity": {
    "action": "Update",
    "entityId": "560630042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0862823789f1cd7b447d213a26d580b7f39706250f4a307ba81b5b61d6400a26",
    "signature": "0x0e11d18f08a21bedf417f375473e59ec10544998b37a53f22e3f87e038b0b5d27a96dc40848075cbc35de00061ed6628ec6811941b42ef1c450682ab1515f73f1c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}