{
  "manageEntity": {
    "action": "Update",
    "entityId": "569652899",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x993deda14e7e54c3e76389b95b80c38d1613e37960a74b59bd631ec4611554cc",
    "signature": "0x55b127174534aca055ffcbdbfe202fe8aa41e1965b0267380a62450062b553853703b574b4dc78150791f7ca05d0760e15f9956f57d1f82c2fd8873e064a1a801b",
    "signer": "0x5ecfe7D3eE5B8A4A2712228c53c986319bEcB4bd",
    "userId": "569652899"
  }
}