{
  "manageEntity": {
    "action": "Update",
    "entityId": "381275433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x617d0c9b19a1c68f9bf3d5569909748ecad53ce3d7ae61ae3e3216c486491e71",
    "signature": "0x86d5853e1a5e8dfbb65d2ff980a36be1d2c516843105b2cd2e24a17a2140964f307c199f2e669beb0c0c36261199cb540a056bc095ea8af209af5356c8e2ea641c",
    "signer": "0x8e2bfA201Be7dA933812C8cD39FB3Db51DcC92b1",
    "userId": "381275433"
  }
}