{
  "manageEntity": {
    "action": "Update",
    "entityId": "206168058",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0f655d45d58db0ca21675092fac49b1431f5038463afede5048f3893d6553bb5",
    "signature": "0x42c7b3b6f57ee6a6cd464e55148863d2476d7e14005df4f1637e7337f14c584e2b80c7d1a644b00f4d88411652fc49aa2ea1e5d3936af08e9753db5eeb8220901b",
    "signer": "0x1046340eB2AAC098c49604cfae80C7c2920af3f3",
    "userId": "206168058"
  }
}