{
  "manageEntity": {
    "action": "Update",
    "entityId": "107348849",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9e4f27c712f5253ac1725824e941eda35cc985b131f9a3025c9a8a774eca41a7",
    "signature": "0x1a57aa82d2a8a78c4f92de7051267be0fd2e6e3fee1350ef1d6e9a99a20fc5097d852120d0fcef09812a4ce67cf73036f76a51e74de50b6ba2410590bf61341e1b",
    "signer": "0x7c8f2818C1D8bfDbEea93cbB0632Ffda4E5Dc18B",
    "userId": "107348849"
  }
}