{
  "manageEntity": {
    "action": "Update",
    "entityId": "115938787",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierasxdtq5jnjtfi4ap2qvi2n6bxmw7eptftl5e4g6m2b7ccug4ajqpa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":257183512},{\"type\":\"playlist\",\"playlist_id\":952457718},{\"type\":\"playlist\",\"playlist_id\":1882812884},{\"type\":\"playlist\",\"playlist_id\":2012027341},{\"type\":\"playlist\",\"playlist_id\":733262600},{\"type\":\"playlist\",\"playlist_id\":1544228548}]}}}",
    "nonce": "0x07ec9261f9e7c2d324e9ea55d1bbb78118def8af525b288600a56043357e4a73",
    "signature": "0x5c4d4b247643cb980a389d1d8134b00c20ade27c2ad081e806a1ca9f4edc478e36405c065769cd789af67c88da71c887f0e36b5606d4fb6620ad380af1fdd2f31b",
    "signer": "0x4831aa86589562eD9bd0FfdFB8e4e6802CA9fA97",
    "userId": "115938787"
  }
}