{
  "manageEntity": {
    "action": "Update",
    "entityId": "593682731",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraeglllttmcs5dluaeeo2g6qibecwqv4r4qoivacjhhll3lcowm2kq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":647434914},{\"type\":\"playlist\",\"playlist_id\":2002367097}]}}}",
    "nonce": "0xe323dbd25b594a7007f6e576b954e96c0c40d351a581cea1d14756f4346d8153",
    "signature": "0x65c487281964a36c1a499a83073820469cee572f8f29f2f74715e03f15f10f58288e740a8495d02168367e719e671433f4c10dc3b16b4b4ff80fb5e86a4cfd2a1b",
    "signer": "0x66d0Af4A6D17aee8eeb3f04953c1736d90B76F09",
    "userId": "593682731"
  }
}