{
  "manageEntity": {
    "action": "Update",
    "entityId": "24675509",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7d4c36f2cf0d496e22cfa953d89f87357301ecaf2982442092b72c2190af8f98",
    "signature": "0x8d0c08f2bef0046c640c16a2ebe866fe5063c23cc94cef93b62bf5a681f654a56c57f9a0dac6d2b96607a7a42bb0388feafe73b0c3ebebabba3ef4376a07d81e1b",
    "signer": "0x96c3f8fa8AbB9d8083dA474EC6559E7F70b62C38",
    "userId": "24675509"
  }
}