{
  "manageEntity": {
    "action": "Update",
    "entityId": "679040863",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4a128981821ad07beaf4d99dd5b3c1522c8a04661134cd1028b105615c2cad88",
    "signature": "0xf9918d48690b6083b6bce31f1a8219de929dfce7520605ba92639230f6ac97ce738810502ed1c50243f8c60a27640e72580abb5912e82d7275f991cd76dba7921c",
    "signer": "0x967A35Ecc3e57C43B13DD23C4Af7318374917dF2",
    "userId": "679040863"
  }
}