{
  "manageEntity": {
    "action": "Update",
    "entityId": "903251667",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratbkknlpzkyxxkd6u5jeqdqajvregpj4q6eagurqtmifkg2azg65a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":513918041},{\"type\":\"playlist\",\"playlist_id\":753168770},{\"type\":\"playlist\",\"playlist_id\":576049138}]}}}",
    "nonce": "0x0059c442f586d9770aefae348de763d3b1ef00dfe72181aa7f6eca9675162e13",
    "signature": "0xa3d08adfa6b6306dd3381acc06e94dbd726917bba0fc02e71ca7ead30491822c433c3710e23a25b98cd5d56cf981dbc33bba2070a6ce8aa9ea83359aa1ed35a61b",
    "signer": "0x0bADAcB5BD8eC37096c8448C192eA49B12c4A1D1",
    "userId": "903251667"
  }
}