{
  "manageEntity": {
    "action": "Update",
    "entityId": "461907036",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2n4hwjmk3t4vgcyzoklly2tyqrpb42jcn5fw4wkgysusleioyg6q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1423137979}]}}}",
    "nonce": "0x10a4a477a8ebcc922850af2c2a8a8059d85d3e6e00971dff18a54ddd46554925",
    "signature": "0xc010e52bf1c11353c50de4fe3758d61bee4c9fa7a174374309b83f51f9b581186fb242aa92a8b960301f9f654d468fc40d53b6a6800d16fb037448bf92e8a6031c",
    "signer": "0x1660172dAeFe07C6cf5B9B55523A06207e6680fB",
    "userId": "461907036"
  }
}