{
  "manageEntity": {
    "action": "Update",
    "entityId": "32192450",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf6b52a372d91a6b3d8cec783fac8a90ef6e9001e59e72709e937fbca97040dd4",
    "signature": "0x475ac3caf3ca8824bd5c08271604115a8d2bf4ee22c7d784963b41518f0d79ff21d9858aae4512640d07b0763d3d8e3536f7aff72c952d32bb93bee3c4e5ab621b",
    "signer": "0x188F517A3022bBC12ac535654eE4503aCB41D658",
    "userId": "32192450"
  }
}