{
  "manageEntity": {
    "action": "Update",
    "entityId": "359303546",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3b4b6afe367502a33cecb1d11caee2312a59165b0917974e8f79d5d667848daa",
    "signature": "0x7bc6a57eb3de359d7dab9b8144740ecd25f52cb38fb15d8f3f6069eb2d62f1f356d3c51feec43b164bc144dc1f63399933111a4ad2a16aa6b289a2b6b872505a1c",
    "signer": "0x649496D4Fad3F08291110883C2bB9dcd763CCcc2",
    "userId": "359303546"
  }
}