{
  "manageEntity": {
    "action": "Update",
    "entityId": "104699486",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd02d4d0d1ced034baca443d1a3575cc3bdd3119f12081c9152ceec7ef4c8c73c",
    "signature": "0xc99ad40f2973b266a127cee9754d45d49ff20e04c5674fcf131b29232e5a595c7290da006ad7260df411b7efb6e3832369bb258cc13f83e44575b38295a20f331c",
    "signer": "0xE3d386a379AAE82b5649323eb7B6213C63789855",
    "userId": "104699486"
  }
}