{
  "manageEntity": {
    "action": "Update",
    "entityId": "130365748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbf6c9f69a5b9ed2e1c0a5d6acbe18edc51dbd37ba512c36b13a99b6d185159da",
    "signature": "0x1f95ac743a5133c19af117804af46e28ac39dcb3e3054430b05038597467a6ba6b36813832300f9c6d7226fa65b3bc78cc03911affd44064022c8365f3a7ed741b",
    "signer": "0x0CAf3174350FC1C72257AaFfC55A740AEDA0F825",
    "userId": "130365748"
  }
}