{
  "manageEntity": {
    "action": "Update",
    "entityId": "670156681",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x55eb243893a3b07d5103c14a507ece5868cecaf594440fc046a5a97d1b5eb6de",
    "signature": "0x8cf91355aaac452cf65c3bd861f233b6092b2dac871a416c5008c9b296fc6d5612991297efe3de9085ef91d0884caaeb203f8fc8bf8478ada2b91600faba86211c",
    "signer": "0xadd245b15aD14312f93D5Bf1635351f4C0543048",
    "userId": "670156681"
  }
}