{
  "manageEntity": {
    "action": "Update",
    "entityId": "909822926",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarunisg5gskbg5lhsht5vdeljpnijgaykbnvuvaguslqwdre66twq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1126518777},{\"type\":\"playlist\",\"playlist_id\":118958},{\"type\":\"playlist\",\"playlist_id\":131807}]}}}",
    "nonce": "0x7312a0f505d7361130d1a513757fbbbbdd659e7ae1e44382664413d77d56a33b",
    "signature": "0x7bd13a9d9cdb69adf461a3d666a0cfbe19acbdbfdb77577b82af5d07ee55ffe27ba6c8ef9b6747567f9de420452fdcd3a268dd8e6a1359c754780ef3112ac3ab1b",
    "signer": "0x7315e02d352D97bee742C3B3D87F3277D05bA410",
    "userId": "909822926"
  }
}