{
  "manageEntity": {
    "action": "Update",
    "entityId": "694060046",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1d0ee604c6f282eff4395e54b067e8859df2ae3b0280e2354f636c981f009379",
    "signature": "0xebb6f076a8255e5f505354b5fcecda8448c5dd5e16a6dfffdc77a3fc5023dd5752207fc89806ee250e520f28c378be9ad34fd4d9614688bfaf6bb6c603be73a01c",
    "signer": "0x814e4D9A8DaE5B1364bbA708C255e162093123e4",
    "userId": "694060046"
  }
}