{
  "manageEntity": {
    "action": "Update",
    "entityId": "524499630",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe81847bace0b522ef1aa588e9baa25bdfbe16c3fc27e981bbb914b3eb75e2b80",
    "signature": "0xeb6df7e664faea6cc6d37f9efe7cddb053fbdc73fc4482095438ef77dd26826d5e7d784d046d8805d26677a9821ef04255ff6a3d06539086f9a371e3d31196741c",
    "signer": "0x1dEaf6B1d816c1adBBcbdCD2cfaFC05945B9cF48",
    "userId": "524499630"
  }
}