{
  "manageEntity": {
    "action": "Update",
    "entityId": "279642286",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf251396fbf05280cae22d8fb8c39376a37bb1f5e52633d90c02185a9a1c89809",
    "signature": "0x5b6daa4599b9c1a3b42c18ca736d4681c8849f1e2cafdfe035a06b739699f6f24f44afbed6e92b943eaad76c5e405e28c9b57743df4ffd73310653e9ee63059a1c",
    "signer": "0x932fB57145D18a35DAF164Ac38b6968F8c0f986b",
    "userId": "279642286"
  }
}