{
  "manageEntity": {
    "action": "Update",
    "entityId": "632624994",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1963155421bdf1e91ccade70c832d18684ce18c37258974d61931e3ce9ace87f",
    "signature": "0x87153598f4ae582f83882ef10cd4a7a8bc7bf7387bd2eb1e18728b0ce42219dd7c49d602ea1cd569f41e2835f51ecd078909325bd28fe6987f0f8b03f2edb0491b",
    "signer": "0x3A218Da180AFBa06BC9AE0b28E50Cd581dEc5693",
    "userId": "632624994"
  }
}