{
  "manageEntity": {
    "action": "Update",
    "entityId": "969864347",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x07d6c7e6994307e1450178c3a477005be88fed85c4d6a99c1ff0f5aeafc3e73d",
    "signature": "0x96548d64c48560c47cad9d36471968c5cb0a9069ad489d1175253c36d9ee7ba56472ef51a010dcb037b9a82ff6039c915c20085e65b661551036daafb64cee181b",
    "signer": "0x686ca55E05dfb50Fd623b23BA4F03cd000CA9582",
    "userId": "969864347"
  }
}