{
  "manageEntity": {
    "action": "Update",
    "entityId": "803095971",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierait5743cksy2gcumh2ejs4guvmmry4qamzn65eldsgsp2slvwrb2q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1173605407},{\"type\":\"playlist\",\"playlist_id\":368152900}]}}}",
    "nonce": "0xf172a6cfa4119a4d0f6e620d13a80841eef0dadc39dbc5f4c0d445c902ae6484",
    "signature": "0x5cf4446f0e20e4b31fbe9682924caf0fdc0b8c5e61f72b7dd986092d1cc6955b590266ea6c969c597c3d33f2143b0ffde78ebbcebe5c779e5d2c4667c050e4c81c",
    "signer": "0x35A8c9b75fc06cB7435E4922f063c3519a56Bc64",
    "userId": "803095971"
  }
}