{
  "manageEntity": {
    "action": "Update",
    "entityId": "90641891",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd1c913ee0bd869fb0fc791baf11b81d22c93e2eedf94ea6a87ce5173463bce42",
    "signature": "0xfdca2e88173ae34fcccc09ad10b70e949d995e0d98ddfefad9dd0fa3aa60cb124ebf7966ac27adf1473cb5e317975f50e59cd219f8a5bec06d3e2e0bcfb369c91c",
    "signer": "0x362fa0440C34a7b03644991F1Ae54C006944c2D0",
    "userId": "90641891"
  }
}