{
  "manageEntity": {
    "action": "Update",
    "entityId": "39423690",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x32c7ec35f9aad921ad9e899d23a389e9aefa1cc287b39d52e01ad66dbe5262ab",
    "signature": "0xd0793cb070a80a4c3d62795026b20b20c6f1c78d997c234bf96774f6182a00e04b67f2bccbc23a34e22b32d8f5fe68bef665c1709ada64590e47937ce44522ae1c",
    "signer": "0xeE4A4B34F2d9E8135b73905d1997C818782ec231",
    "userId": "39423690"
  }
}