{
  "manageEntity": {
    "action": "Update",
    "entityId": "93814449",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x88339dcc1afaa6e25fa8440c6560baa63964be40de9af08c1a82dd0d2bba3b0e",
    "signature": "0x709c6cef4bf4af0287645cf2c4b2e8d1d8e5becd0ae15fca9d3e05c9357c86b96c5cc75c046c04e2a0335c9baa5ce589feb1aa9bca526aecd748b7b9fbe890671c",
    "signer": "0xc40850178B74672DD809330aE4477a7Dc40Cda7B",
    "userId": "93814449"
  }
}