{
  "manageEntity": {
    "action": "Update",
    "entityId": "523247117",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa8c242c53a0fdc277f5c7423f10bcf26db130fa0a94b02070052f68828859ab1",
    "signature": "0x12da9ad6e240f2320fab1f274c5a60445a1536a66b8ed7c66a395b6a2336ac406b597c7250d1b29be4fd00891716c77d29ff9b9b2401f92c12b5c3a799e782df1c",
    "signer": "0xd83DA233a4f93E91458C2b468E7BB86f284AC606",
    "userId": "523247117"
  }
}