{
  "manageEntity": {
    "action": "Update",
    "entityId": "241485522",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6093d818c5d24686a45090f243ed57cfcfbf5a35245aefa1f7cf4731ce050186",
    "signature": "0x253e1627f5ad43f277580a82ec29fc17a0d0b1540e9bd796b3a8f8d5d17578532e9a20361a8fd0b87d34e96449dbef2ea18f2bafcd06fa7b34672eb19fa0c6621b",
    "signer": "0x30463C79828cbC9586c7Ac939908388cfC2F5959",
    "userId": "241485522"
  }
}