{
  "manageEntity": {
    "action": "Update",
    "entityId": "219206868",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2embcz5zzgwhrtigi4q372gnl6fasc6naaepfzquqitdu2dcitpq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":174013008}]}}}",
    "nonce": "0x1bf4528f7513dfe32c830eb59c255cb5898c2c848da85d250a1b24b02aa20466",
    "signature": "0x6a1c63db5171fc8ee7dea8ba2d1e225b8399d574df79c8ad5e3cf42be1d1e7600106931bba31903ceef2f0e4a27d1045b502a4b1cdd7e0ec8b33862b71784a671b",
    "signer": "0x0D118a31B964e68f3E82481bC1aeb97846819006",
    "userId": "219206868"
  }
}