{
  "manageEntity": {
    "action": "Update",
    "entityId": "365634342",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x603babbb53c8d63a120c7ca65aa5940cbbd9d7dee6c5a5c2f5d1bc928719c85a",
    "signature": "0xb03c66b1f18b3e7c63a101cbfcadca7d74f5df80a76ae8103da9557375aef304082ffb539285046885fe83f00db41ab7ba38a4cdcfd9fe022372e390560131721b",
    "signer": "0xa15e0Fe28074AAea430Bc6640816eAB723B796fc",
    "userId": "365634342"
  }
}