{
  "manageEntity": {
    "action": "Update",
    "entityId": "86042210",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x71e92265946ae27cc4fe52a63883d267fc025ac7db54747c78e8ea218eaaa47a",
    "signature": "0x67321bc4fb066cae6c3cc72d46e4a66aa2a3585172ee85effa9c7c6eae9a671106a1b109d77c63513cb0e6f2cad38be714b0e691fbecd6ec9b2b35d7f1b5c9b91b",
    "signer": "0x586eb51332315451ffe33F49d275BCD88655C16e",
    "userId": "86042210"
  }
}