{
  "manageEntity": {
    "action": "Update",
    "entityId": "178246495",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierangc3avmxjg34f7w3jtvtwlmjs6v54nqlqltytoa333ewgkznknlq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1744566730},{\"type\":\"playlist\",\"playlist_id\":1965177834},{\"type\":\"playlist\",\"playlist_id\":1413921840}]}}}",
    "nonce": "0x7b0b183c25f0a63731aff43349722dd8f0dd03458b6f2a21f3ac0fe13f614f1e",
    "signature": "0xb047766007d81b5108910aab27bf769a4a63587aa925250133b45f1c536eb13e6b800f8d1bca89c308ffaa11ebcc6404e179b6ffbcaef95cf3df4b5a9211ef661b",
    "signer": "0x69014FF59AAF102De8f492cC23458D32bb86733c",
    "userId": "178246495"
  }
}