{
  "manageEntity": {
    "action": "Update",
    "entityId": "164548225",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xfb66a39c60e0885f6a67b12a579e27ea98bd32a8af28cb334e79e9db4b71a44d",
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    "signer": "0xC32e30fB29Ef0b4421f1a1A53fF0dfa8D373A292",
    "userId": "164548225"
  }
}