{
  "manageEntity": {
    "action": "Update",
    "entityId": "817964210",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe7439488dd5cba42bfc63771adf352c4adc78b3e919a8d5c282f3b6c5dec3fcc",
    "signature": "0x4a223f6bd366784361d144faf03116723c15b26006f64cb7c8dfe348b88280da70a9ef8e918d2f3ee2d983dd7e6893648591cc82893a6dc9a8bdf16a4dc5459d1b",
    "signer": "0x095a68b9D98ac351Fb872C4290e156751C9D7CCE",
    "userId": "817964210"
  }
}