{
  "manageEntity": {
    "action": "Update",
    "entityId": "836287765",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc08425ffb5a1ac239e788f5f240411522d9778e857a020b732dd35239be0e63b",
    "signature": "0xe1ca217488451debf83f9b3c60517a5f1c7b83b6d4a968af33536bf6348580e33f5af3248b1b71d194c01fdb6093ba16b18c382537ba80b390bdaa7afc52c7091b",
    "signer": "0x75EF15E3DD2b76c8018a65cC3D376229946A3766",
    "userId": "836287765"
  }
}