{
  "manageEntity": {
    "action": "Update",
    "entityId": "58075769",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3ggsmnvvm6ilr7jly3xxn2rqbmj3oxwfmbga4n546mckwoigkmgq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":764590432}]}}}",
    "nonce": "0xa62b0bcacf5f7cfa4aff3116ded07532cc83c455423ca5b41a8523624cfe1523",
    "signature": "0xa5187973593060949aacae4336b57157e1376bc9b1596e3b63aa06dc4f9cd1b337dc9dd55733a4bfedb6354ca968ece950c7a83c2cc6f4216c77c6a3cd65e4731b",
    "signer": "0x594DBB864Ee86FFBb65B1C3728aFb6D1941a8E79",
    "userId": "58075769"
  }
}