{
  "manageEntity": {
    "action": "Update",
    "entityId": "497567784",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xed1b5ef93f490c70f3d92d95609c36e2337705a7a94811dec1632698fe1e1802",
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    "signer": "0x52A01a6013cF736c7ecad158C49e014739897C77",
    "userId": "497567784"
  }
}