{
  "manageEntity": {
    "action": "Update",
    "entityId": "948417971",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x34d0c3cb3f57fc26b9e22f989636fb8d27866418f0601a6512ee81101de0e011",
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    "signer": "0xDB3069e47C38Da8d375A3eC24D197edce987cebC",
    "userId": "948417971"
  }
}