{
  "manageEntity": {
    "action": "Update",
    "entityId": "140080913",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqepfmdpqnkvwycxqybjp7ggqulu2p57zs7w7d7yjaijqprcmd2xa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2007166916},{\"type\":\"playlist\",\"playlist_id\":938357482},{\"type\":\"playlist\",\"playlist_id\":1237665279},{\"type\":\"playlist\",\"playlist_id\":1632985896}]}}}",
    "nonce": "0x993654fe75f6663f40fcb0b08bf15d421f6a8c7fc65c60e098134e74c4bb50c5",
    "signature": "0x9a7147f32b165c0fb0330bff67babb949de66f9b57e4517a3bbd852dfaa7d4bb2e5d4b1bd1c146d306b88cd0b6ca46127c04f0401e0097b9f055863a9ffaf04b1b",
    "signer": "0x78f54B3C738fF217Ed30A29b99E2BbA824eB94B4",
    "userId": "140080913"
  }
}