{
  "manageEntity": {
    "action": "Update",
    "entityId": "923647058",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x32adf9ec07b1631dab27ab61072929dd1ba64f73dc429b460dc8605cef0e6eab",
    "signature": "0x2b58a45947aa46d148c5411908484c7d428789805efac233ea401f9339f5dc6864ecb2d2c4f9d47e74eabe0e47dd085bf80c828edd24c2b1ff46ef967094a27e1c",
    "signer": "0x7F8840d8F919Bce67704c980a3D1c5eCF81ffcB5",
    "userId": "923647058"
  }
}