{
  "manageEntity": {
    "action": "Update",
    "entityId": "586055099",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xce55cab3dcd123d25ae3ec570e754fd85769d3a176c68340de71781087b3f50a",
    "signature": "0xa70063ff6d2568e1bab1e1d91e70bf3dad988a0537ac7cd736e865bc3d79b64d2bd268f02761ee85bd6437f337af3eb194b7eea0c8e812cace5a1ab12dc317c81c",
    "signer": "0x02201dA6dc1961A7A9F3324cA158d0D6957a7087",
    "userId": "586055099"
  }
}