{
  "manageEntity": {
    "action": "Update",
    "entityId": "691038481",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb4ab77cf31ae4ebcfbc2fcaebb613eaadf50a24aa5fe450899e1e9e88c876e71",
    "signature": "0x255ed07eb2b89e68eb3814c3aa9940f274b92b192ba7dba06e53ee0fa7a538af25acd77719bc35656625f50eeb62094be176aa0d9d59cb7ccff13e303a4d78a71b",
    "signer": "0x32b65D75cfE16eA219975213a981374A4aC2bf8C",
    "userId": "691038481"
  }
}