{
  "manageEntity": {
    "action": "Update",
    "entityId": "718637748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierah2fxxaafh3hwtc5tgqipmmnbawvwgjl4jbsykoemcpqg3dweohua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1818165763}]}}}",
    "nonce": "0x7995dd3e05bfea32371d761221abbff8b91138190e9b6baa7b0d34a6fde07498",
    "signature": "0xab7d181dc588ba33cbab74ec197ad9a9f511542172c20fb4f62d45f40687b79919fe98ef6620fc8a36b537767e90686365f45ff887f6ad8ed49d3e80050a7e8d1c",
    "signer": "0x65E206f484415ee5E20E9B8da531F689983C6e36",
    "userId": "718637748"
  }
}