{
  "manageEntity": {
    "action": "Update",
    "entityId": "88043521",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd7828ae6395256a48b7b54846debf7787e11b31889296311ce70d4b80956ed9c",
    "signature": "0x3626aff9b4d804e00bd0b43357ce14b57b33dbe3ee7bcf9a0ab5bd7fab070eeb4525bbde0bf7f336d26168b2ff273f678ed1728505509e00596fc9ca8afb94ba1c",
    "signer": "0x50F56216DA8F03152a4D4F208E608Cde28d53292",
    "userId": "88043521"
  }
}