{
  "manageEntity": {
    "action": "Update",
    "entityId": "93814449",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8296b632f5dd54ba964410e4209fedbc3e84b300084808012ad5658584b2c5bd",
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    "signer": "0xc40850178B74672DD809330aE4477a7Dc40Cda7B",
    "userId": "93814449"
  }
}