{
  "manageEntity": {
    "action": "Update",
    "entityId": "184139297",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfd1c131af26bf5903289dec1ef7623eebc2041ed316688edb9f6fc829b19b6e4",
    "signature": "0x829aaa25b62d27085e23e16ea435761cbf17d629980c1e9e303ea97d0d3fcfe2018d8f5462d85be6eda538e414e745ea533d3d64d67a6d29fbe5e99b0f2f2e981c",
    "signer": "0x30c38c1c87bEE306cAd1fd09ceB16eB3b2e41227",
    "userId": "184139297"
  }
}