{
  "manageEntity": {
    "action": "Update",
    "entityId": "101489795",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0ccdf2f9fe3de83b61516751c3a99fd8190baae8b7d075173971176badeee280",
    "signature": "0x01597097ce638d2322f069d7fd2fff2deff7158ea0a644e4df058c5a6799d0034e86be92affdf9fb898fa9851fe145772f9f2fe4b712e71e53ccc20a6d880ced1b",
    "signer": "0xA13c2625f70AEA0f3F49e5c463a8D9b0F437F212",
    "userId": "101489795"
  }
}