{
  "manageEntity": {
    "action": "Update",
    "entityId": "780083254",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x99bad924461f26f2afa7c2e1b8da00922c53f9e3a0cacb7c8719cecaa534cc7c",
    "signature": "0xef90e989f22b5b9db07d7583f492cb63bf4daced6ac48c0172e54e4442df33ae6794afeb8ed07bd2071216c7dd53fd1b60b157bd1452379d8c80d3e820fe1a141c",
    "signer": "0xa741B0106346033C4A499068360937e06ee35E62",
    "userId": "780083254"
  }
}