{
  "manageEntity": {
    "action": "Update",
    "entityId": "953219535",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierad7t3sjkw2nqna7ijjgt7z2tn3adtfk5k7atchviswfv52lrqomgq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2102334422},{\"type\":\"playlist\",\"playlist_id\":1358587117},{\"type\":\"playlist\",\"playlist_id\":2066007995},{\"type\":\"playlist\",\"playlist_id\":33342172},{\"type\":\"playlist\",\"playlist_id\":1356353375}]}}}",
    "nonce": "0x734a141a515c02028807610f0ae2f9f86a67dbd7793d2931df89b3b841117001",
    "signature": "0xd7552eb128ea7056233ff91afee02b883492f8e677e1c0bbd1e559648a6f2cf657ea23964ea5d3911169dc5458f26b9cc4f89e967bbe8366d356a19c05a48f151c",
    "signer": "0x165ac7dD4D63a6A37cBa24549d0c710442e9b68b",
    "userId": "953219535"
  }
}