{
  "manageEntity": {
    "action": "Update",
    "entityId": "954442177",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieracpd42q5ht7u7mn2oyzto2y3fp5bpo2vgrcygea3a56abaybtkr7a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1949288985},{\"type\":\"playlist\",\"playlist_id\":1601940020}]}}}",
    "nonce": "0x406d6b9b81e96e9e81b97bd8a6a342e4909deb524063f5d4029885aaa3e173f5",
    "signature": "0x9780d09f1d74aa3da8369fd93257c3c336b8c1d22b3c9cd58994068b281f15ac24ba04cf4fae835f6f3587de10bea40f349b6dce7ac1d46c85258157f2fba08e1b",
    "signer": "0x5D9097Fa77D39311256a2A7C31aeDB9c88cA63a5",
    "userId": "954442177"
  }
}