{
  "manageEntity": {
    "action": "Update",
    "entityId": "842575483",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieradrcel3dplvp54e4arukoerd2unug5mpgdlqdjrk23kr43vc4sn3a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1729429452},{\"type\":\"playlist\",\"playlist_id\":128899},{\"type\":\"playlist\",\"playlist_id\":2046045108},{\"type\":\"playlist\",\"playlist_id\":806977433}]}}}",
    "nonce": "0x1ab9c9df977725aedb1f3f89bb788c20e37a40ca3ca78833c07d46817f750093",
    "signature": "0xbcd205d6389ee4b6174678197b7a7fa91bef3765335858f8054fb8d0288ddcc05f8fa3a7dc7b6c6a9a488e97bd9993170ec78d52206dad42301ec3de0c51a4c31b",
    "signer": "0xdBe895810b3F9F6Dc6073E427C17bF8C3e1DF6A5",
    "userId": "842575483"
  }
}