{
  "manageEntity": {
    "action": "Update",
    "entityId": "10559790",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8e025556b794d52e9daa4e517f807cde1610469801c1d73426243d0f752d1234",
    "signature": "0x04d6a427044f54f442a39fb462a04e197c1ea0d05a51c257654290bc94d638a079c31ef932e47136750e52a2e643ee593a7b35dbfb89454ea03e8fa92f1af78f1b",
    "signer": "0x76FB6985917eea66cCB407E67B7316E5d100D63B",
    "userId": "10559790"
  }
}