{
  "manageEntity": {
    "action": "Update",
    "entityId": "79842277",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierahk4lwsayfwxtxc4e3oqbg2n6gekxyu6ihxe6sywt3gasaesb2vsq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":913470605},{\"type\":\"playlist\",\"playlist_id\":1910474330},{\"type\":\"playlist\",\"playlist_id\":821547044}]}}}",
    "nonce": "0x97710de6f408bb8892be62306acc7195bb882f6afe4543bc2c9a1f8f5779f3bf",
    "signature": "0xeea454f1e3a161c6229aafe90a47d51a533872a2a204dd73ae72576d81a7578e77a341bb3539dc986fd7393c7a3a9ffc153907304873e2259d01ec7f19dac5ca1c",
    "signer": "0xB5D0A372B2e9F976b0B17446b2Eb8a99275CE3f1",
    "userId": "79842277"
  }
}