{
  "manageEntity": {
    "action": "Update",
    "entityId": "317736795",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3bc223db1edc301b9516b894983ea876a5bfa2baaae042ef3aa7f543b506e5c2",
    "signature": "0x14fd10b8e9f2c6f9d6448ee1fa8f25d765ce348973533d9e53f728baca168d410ce34eb279e27a4c83e7c25d59d7868aaa83c3ad2b03d93c49a97079461161a01c",
    "signer": "0xa85afcEA194e588764eCf462ff153af8c230d084",
    "userId": "317736795"
  }
}