{
  "manageEntity": {
    "action": "Update",
    "entityId": "964025330",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x38155e272d25f3a23499d700bda245cb830dab7e01e529ada69dc0477882ac45",
    "signature": "0x5e7c0141b70f515b49300285557a3432e65d1c13dab77365476cf2e37f4af1963049163ca1b8b15c9d2aecec5225cc1c09fff1f2e5c3320d529b3c2feebaa6ba1b",
    "signer": "0x18e80443A33c763307bac21D4Ec54B381DFC58cA",
    "userId": "964025330"
  }
}