{
  "manageEntity": {
    "action": "Update",
    "entityId": "3636854",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapoqqu6x7a74d7srifihcmkaq74llo6lty45x5t25fc37wli36gla\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1369700879},{\"type\":\"playlist\",\"playlist_id\":1120053199}]}}}",
    "nonce": "0xc146bbf9ce7e65594da26a7be70224a6ea7f7ea7a9257991df7e9bfd8ba09fe4",
    "signature": "0xa24c5027f92096a23c248f671f27c221c9c8cce3a1fd51afa9516db8db2d2caf6e20f119b5c0bdae04c4713ca42bc46e336773d72a97e63de36ea012ed38355f1c",
    "signer": "0x2e9d3CE541fF1290944eF388dE9759d77881dA4a",
    "userId": "3636854"
  }
}