{
  "manageEntity": {
    "action": "Update",
    "entityId": "136466",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6nerplwb6elou5th5yp3dwkqccvgrxjovuliscdhharsouramayq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":39246},{\"type\":\"playlist\",\"playlist_id\":41038},{\"type\":\"playlist\",\"playlist_id\":42004},{\"type\":\"playlist\",\"playlist_id\":42195},{\"type\":\"playlist\",\"playlist_id\":38568},{\"type\":\"playlist\",\"playlist_id\":40502},{\"type\":\"playlist\",\"playlist_id\":1421889343},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5d92952cf652a66781f9462fbaa4d739c2483311748f27212372dcc17c317553",
    "signature": "0xb3be39c110be1dddbe0bd132a216a96a901eb85925e0ae1ce826f4eb67d7da2f0a5b5f1b8ede2cf4b706c1ea7381e63a46f87310677af0a1344fc31d7f1d6cbc1c",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}