{
  "manageEntity": {
    "action": "Update",
    "entityId": "1474453",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraapcg37a4w3tf5adnjpgnibrg6pc7cnkhmiqsgakmlqix2q7zmq6q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":2128641561},{\"type\":\"playlist\",\"playlist_id\":630530363},{\"type\":\"playlist\",\"playlist_id\":2013618868},{\"type\":\"playlist\",\"playlist_id\":1553972801},{\"type\":\"playlist\",\"playlist_id\":1824376927}]}}}",
    "nonce": "0xff10e78c41552eaf36c646da25afa6ec18bae8397a5b075007acc2e4e7d9e944",
    "signature": "0xa57a12cff573fb9b49ca615a3b4018b8cfb3101fa1e98a6edba57f55718501324969d3241f9a0c08a2cbb2dd2ecd5652f6e7fde17d5341bf46b797909216d8531c",
    "signer": "0xeDae8fbdB2a56d77Fc35eaC72D7c338eba53388b",
    "userId": "1474453"
  }
}